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Finding the Fourth Proportional to 251,714.80, 377,572.20 and 247,340.80

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Solution

The fourth proportional to 251,714.80, 377,572.20 and 247,340.80 is: 371,011.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,714.80 : 377,572.20 = 247,340.80 : x
  2. Step 2: Convert to fraction form
    251,714.80/377,572.20 = 247,340.80/x
  3. Step 3: Cross multiply
    251,714.80x = 377,572.20 × 247,340.80
  4. Step 4: Simplify right side
    251,714.80x = 93,389,010,005.76
  5. Step 5: Solve for x
    x = 93,389,010,005.76/251,714.80
  6. Step 6: Final answer
    x = 371,011.20

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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.