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Finding the Fourth Proportional to 357,130.60, 532,540.61 and 353,925.16

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Solution

The fourth proportional to 357,130.60, 532,540.61 and 353,925.16 is: 527,760.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,130.60 : 532,540.61 = 353,925.16 : x
  2. Step 2: Convert to fraction form
    357,130.60/532,540.61 = 353,925.16/x
  3. Step 3: Cross multiply
    357,130.60x = 532,540.61 × 353,925.16
  4. Step 4: Simplify right side
    357,130.60x = 188,479,520,600.75
  5. Step 5: Solve for x
    x = 188,479,520,600.75/357,130.60
  6. Step 6: Final answer
    x = 527,760.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.