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Finding the Fourth Proportional to 251,569.80, 377,354.70 and 146,593.80

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Solution

The fourth proportional to 251,569.80, 377,354.70 and 146,593.80 is: 219,890.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,569.80 : 377,354.70 = 146,593.80 : x
  2. Step 2: Convert to fraction form
    251,569.80/377,354.70 = 146,593.80/x
  3. Step 3: Cross multiply
    251,569.80x = 377,354.70 × 146,593.80
  4. Step 4: Simplify right side
    251,569.80x = 55,317,859,420.86
  5. Step 5: Solve for x
    x = 55,317,859,420.86/251,569.80
  6. Step 6: Final answer
    x = 219,890.70

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1.5x scale

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.