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Finding the Fourth Proportional to 462,463.70, 693,695.55 and 130,039.70

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Solution

The fourth proportional to 462,463.70, 693,695.55 and 130,039.70 is: 195,059.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,463.70 : 693,695.55 = 130,039.70 : x
  2. Step 2: Convert to fraction form
    462,463.70/693,695.55 = 130,039.70/x
  3. Step 3: Cross multiply
    462,463.70x = 693,695.55 × 130,039.70
  4. Step 4: Simplify right side
    462,463.70x = 90,207,961,213.34
  5. Step 5: Solve for x
    x = 90,207,961,213.34/462,463.70
  6. Step 6: Final answer
    x = 195,059.55

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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.