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Finding the Fourth Proportional to 484,354.16, 726,641.76 and 147,442.52

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Solution

The fourth proportional to 484,354.16, 726,641.76 and 147,442.52 is: 221,197.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,354.16 : 726,641.76 = 147,442.52 : x
  2. Step 2: Convert to fraction form
    484,354.16/726,641.76 = 147,442.52/x
  3. Step 3: Cross multiply
    484,354.16x = 726,641.76 × 147,442.52
  4. Step 4: Simplify right side
    484,354.16x = 107,137,892,231.64
  5. Step 5: Solve for x
    x = 107,137,892,231.64/484,354.16
  6. Step 6: Final answer
    x = 221,197.42

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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.