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Finding the Fourth Proportional to 358,115.73, 537,251.46 and 118,240.11

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Solution

The fourth proportional to 358,115.73, 537,251.46 and 118,240.11 is: 177,385.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,115.73 : 537,251.46 = 118,240.11 : x
  2. Step 2: Convert to fraction form
    358,115.73/537,251.46 = 118,240.11/x
  3. Step 3: Cross multiply
    358,115.73x = 537,251.46 × 118,240.11
  4. Step 4: Simplify right side
    358,115.73x = 63,524,671,728.06
  5. Step 5: Solve for x
    x = 63,524,671,728.06/358,115.73
  6. Step 6: Final answer
    x = 177,385.87

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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.