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Finding the Fourth Proportional to 532,335.42, 797,695.20 and 390,275.29

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Solution

The fourth proportional to 532,335.42, 797,695.20 and 390,275.29 is: 584,820.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,335.42 : 797,695.20 = 390,275.29 : x
  2. Step 2: Convert to fraction form
    532,335.42/797,695.20 = 390,275.29/x
  3. Step 3: Cross multiply
    532,335.42x = 797,695.20 × 390,275.29
  4. Step 4: Simplify right side
    532,335.42x = 311,320,725,511.61
  5. Step 5: Solve for x
    x = 311,320,725,511.61/532,335.42
  6. Step 6: Final answer
    x = 584,820.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.