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Finding the Fourth Proportional to 654,229.56, 902,841.78 and 363,845.19

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Solution

The fourth proportional to 654,229.56, 902,841.78 and 363,845.19 is: 502,109.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,229.56 : 902,841.78 = 363,845.19 : x
  2. Step 2: Convert to fraction form
    654,229.56/902,841.78 = 363,845.19/x
  3. Step 3: Cross multiply
    654,229.56x = 902,841.78 × 363,845.19
  4. Step 4: Simplify right side
    654,229.56x = 328,494,638,984.04
  5. Step 5: Solve for x
    x = 328,494,638,984.04/654,229.56
  6. Step 6: Final answer
    x = 502,109.14

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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.