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Finding the Fourth Proportional to 552,862.32, 762,945.24 and 314,398.32

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Solution

The fourth proportional to 552,862.32, 762,945.24 and 314,398.32 is: 433,866.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,862.32 : 762,945.24 = 314,398.32 : x
  2. Step 2: Convert to fraction form
    552,862.32/762,945.24 = 314,398.32/x
  3. Step 3: Cross multiply
    552,862.32x = 762,945.24 × 314,398.32
  4. Step 4: Simplify right side
    552,862.32x = 239,868,701,708.00
  5. Step 5: Solve for x
    x = 239,868,701,708.00/552,862.32
  6. Step 6: Final answer
    x = 433,866.97

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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.