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Finding the Fourth Proportional to 306,752.91, 460,191.57 and 129,259.83

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Solution

The fourth proportional to 306,752.91, 460,191.57 and 129,259.83 is: 193,915.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,752.91 : 460,191.57 = 129,259.83 : x
  2. Step 2: Convert to fraction form
    306,752.91/460,191.57 = 129,259.83/x
  3. Step 3: Cross multiply
    306,752.91x = 460,191.57 × 129,259.83
  4. Step 4: Simplify right side
    306,752.91x = 59,484,284,105.63
  5. Step 5: Solve for x
    x = 59,484,284,105.63/306,752.91
  6. Step 6: Final answer
    x = 193,915.96

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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.