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Finding the Fourth Proportional to 306,726.60, 460,089.90 and 156,917.10

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Solution

The fourth proportional to 306,726.60, 460,089.90 and 156,917.10 is: 235,375.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,726.60 : 460,089.90 = 156,917.10 : x
  2. Step 2: Convert to fraction form
    306,726.60/460,089.90 = 156,917.10/x
  3. Step 3: Cross multiply
    306,726.60x = 460,089.90 × 156,917.10
  4. Step 4: Simplify right side
    306,726.60x = 72,195,972,847.29
  5. Step 5: Solve for x
    x = 72,195,972,847.29/306,726.60
  6. Step 6: Final answer
    x = 235,375.65

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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.