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Finding the Fourth Proportional to 624,010.56, 861,132.16 and 337,530.28

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Solution

The fourth proportional to 624,010.56, 861,132.16 and 337,530.28 is: 465,790.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,010.56 : 861,132.16 = 337,530.28 : x
  2. Step 2: Convert to fraction form
    624,010.56/861,132.16 = 337,530.28/x
  3. Step 3: Cross multiply
    624,010.56x = 861,132.16 × 337,530.28
  4. Step 4: Simplify right side
    624,010.56x = 290,658,179,081.81
  5. Step 5: Solve for x
    x = 290,658,179,081.81/624,010.56
  6. Step 6: Final answer
    x = 465,790.48

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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.