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Finding the Fourth Proportional to 575,730.27, 794,650.23 and 392,272.29

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Solution

The fourth proportional to 575,730.27, 794,650.23 and 392,272.29 is: 541,432.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,730.27 : 794,650.23 = 392,272.29 : x
  2. Step 2: Convert to fraction form
    575,730.27/794,650.23 = 392,272.29/x
  3. Step 3: Cross multiply
    575,730.27x = 794,650.23 × 392,272.29
  4. Step 4: Simplify right side
    575,730.27x = 311,719,265,471.13
  5. Step 5: Solve for x
    x = 311,719,265,471.13/575,730.27
  6. Step 6: Final answer
    x = 541,432.82

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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.