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Finding the Fourth Proportional to 506,411.70, 759,617.55 and 132,434.70

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Solution

The fourth proportional to 506,411.70, 759,617.55 and 132,434.70 is: 198,652.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,411.70 : 759,617.55 = 132,434.70 : x
  2. Step 2: Convert to fraction form
    506,411.70/759,617.55 = 132,434.70/x
  3. Step 3: Cross multiply
    506,411.70x = 759,617.55 × 132,434.70
  4. Step 4: Simplify right side
    506,411.70x = 100,599,722,348.99
  5. Step 5: Solve for x
    x = 100,599,722,348.99/506,411.70
  6. Step 6: Final answer
    x = 198,652.05

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Similar ratio
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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.