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Finding the Fourth Proportional to 581,507.17, 872,260.95 and 239,945.61

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Solution

The fourth proportional to 581,507.17, 872,260.95 and 239,945.61 is: 359,918.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,507.17 : 872,260.95 = 239,945.61 : x
  2. Step 2: Convert to fraction form
    581,507.17/872,260.95 = 239,945.61/x
  3. Step 3: Cross multiply
    581,507.17x = 872,260.95 × 239,945.61
  4. Step 4: Simplify right side
    581,507.17x = 209,295,185,726.93
  5. Step 5: Solve for x
    x = 209,295,185,726.93/581,507.17
  6. Step 6: Final answer
    x = 359,918.50

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Half scale
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Double scale
Find fourth proportional to 581,508.17, 872,262.45 and 239,946.61
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.