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Finding the Fourth Proportional to 506,474.40, 759,711.60 and 132,497.40

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Solution

The fourth proportional to 506,474.40, 759,711.60 and 132,497.40 is: 198,746.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,474.40 : 759,711.60 = 132,497.40 : x
  2. Step 2: Convert to fraction form
    506,474.40/759,711.60 = 132,497.40/x
  3. Step 3: Cross multiply
    506,474.40x = 759,711.60 × 132,497.40
  4. Step 4: Simplify right side
    506,474.40x = 100,659,811,749.84
  5. Step 5: Solve for x
    x = 100,659,811,749.84/506,474.40
  6. Step 6: Final answer
    x = 198,746.10

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Double scale
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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.