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Finding the Fourth Proportional to 534,660.52, 737,831.40 and 319,851.08

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Solution

The fourth proportional to 534,660.52, 737,831.40 and 319,851.08 is: 441,394.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,660.52 : 737,831.40 = 319,851.08 : x
  2. Step 2: Convert to fraction form
    534,660.52/737,831.40 = 319,851.08/x
  3. Step 3: Cross multiply
    534,660.52x = 737,831.40 × 319,851.08
  4. Step 4: Simplify right side
    534,660.52x = 235,996,170,147.91
  5. Step 5: Solve for x
    x = 235,996,170,147.91/534,660.52
  6. Step 6: Final answer
    x = 441,394.42

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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.