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Finding the Fourth Proportional to 367,903, 551,854.50 and 146,442.52

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Solution

The fourth proportional to 367,903, 551,854.50 and 146,442.52 is: 219,663.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,903 : 551,854.50 = 146,442.52 : x
  2. Step 2: Convert to fraction form
    367,903/551,854.50 = 146,442.52/x
  3. Step 3: Cross multiply
    367,903x = 551,854.50 × 146,442.52
  4. Step 4: Simplify right side
    367,903x = 80,814,963,653.34
  5. Step 5: Solve for x
    x = 80,814,963,653.34/367,903
  6. Step 6: Final answer
    x = 219,663.78

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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.