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Finding the Fourth Proportional to 532,831.52, 798,558.36 and 398,659.08

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Solution

The fourth proportional to 532,831.52, 798,558.36 and 398,659.08 is: 597,473.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,831.52 : 798,558.36 = 398,659.08 : x
  2. Step 2: Convert to fraction form
    532,831.52/798,558.36 = 398,659.08/x
  3. Step 3: Cross multiply
    532,831.52x = 798,558.36 × 398,659.08
  4. Step 4: Simplify right side
    532,831.52x = 318,352,541,123.91
  5. Step 5: Solve for x
    x = 318,352,541,123.91/532,831.52
  6. Step 6: Final answer
    x = 597,473.18

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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.