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Finding the Fourth Proportional to 581,506.67, 872,260.20 and 239,945.11

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Solution

The fourth proportional to 581,506.67, 872,260.20 and 239,945.11 is: 359,917.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,506.67 : 872,260.20 = 239,945.11 : x
  2. Step 2: Convert to fraction form
    581,506.67/872,260.20 = 239,945.11/x
  3. Step 3: Cross multiply
    581,506.67x = 872,260.20 × 239,945.11
  4. Step 4: Simplify right side
    581,506.67x = 209,294,569,637.62
  5. Step 5: Solve for x
    x = 209,294,569,637.62/581,506.67
  6. Step 6: Final answer
    x = 359,917.75

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Double scale
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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.