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Finding the Fourth Proportional to 581,755.65, 872,633.48 and 424,291.65

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Solution

The fourth proportional to 581,755.65, 872,633.48 and 424,291.65 is: 636,437.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,755.65 : 872,633.48 = 424,291.65 : x
  2. Step 2: Convert to fraction form
    581,755.65/872,633.48 = 424,291.65/x
  3. Step 3: Cross multiply
    581,755.65x = 872,633.48 × 424,291.65
  4. Step 4: Simplify right side
    581,755.65x = 370,251,096,952.98
  5. Step 5: Solve for x
    x = 370,251,096,952.98/581,755.65
  6. Step 6: Final answer
    x = 636,437.48

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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.