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Finding the Fourth Proportional to 532,334.42, 797,693.70 and 390,274.29

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Solution

The fourth proportional to 532,334.42, 797,693.70 and 390,274.29 is: 584,819.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,334.42 : 797,693.70 = 390,274.29 : x
  2. Step 2: Convert to fraction form
    532,334.42/797,693.70 = 390,274.29/x
  3. Step 3: Cross multiply
    532,334.42x = 797,693.70 × 390,274.29
  4. Step 4: Simplify right side
    532,334.42x = 311,319,342,404.97
  5. Step 5: Solve for x
    x = 311,319,342,404.97/532,334.42
  6. Step 6: Final answer
    x = 584,819.11

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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.