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Finding the Fourth Proportional to 242,470.71, 334,493.69 and 188,385.62

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Solution

The fourth proportional to 242,470.71, 334,493.69 and 188,385.62 is: 259,882.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,470.71 : 334,493.69 = 188,385.62 : x
  2. Step 2: Convert to fraction form
    242,470.71/334,493.69 = 188,385.62/x
  3. Step 3: Cross multiply
    242,470.71x = 334,493.69 × 188,385.62
  4. Step 4: Simplify right side
    242,470.71x = 63,013,798,562.34
  5. Step 5: Solve for x
    x = 63,013,798,562.34/242,470.71
  6. Step 6: Final answer
    x = 259,882.11

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1.5x scale

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.