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Finding the Fourth Proportional to 653,706.71, 902,115.34 and 363,318.23

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Solution

The fourth proportional to 653,706.71, 902,115.34 and 363,318.23 is: 501,379.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,706.71 : 902,115.34 = 363,318.23 : x
  2. Step 2: Convert to fraction form
    653,706.71/902,115.34 = 363,318.23/x
  3. Step 3: Cross multiply
    653,706.71x = 902,115.34 × 363,318.23
  4. Step 4: Simplify right side
    653,706.71x = 327,754,943,165.78
  5. Step 5: Solve for x
    x = 327,754,943,165.78/653,706.71
  6. Step 6: Final answer
    x = 501,379.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.