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Finding the Fourth Proportional to 614,730.70, 922,096.05 and 425,773.90

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Solution

The fourth proportional to 614,730.70, 922,096.05 and 425,773.90 is: 638,660.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,730.70 : 922,096.05 = 425,773.90 : x
  2. Step 2: Convert to fraction form
    614,730.70/922,096.05 = 425,773.90/x
  3. Step 3: Cross multiply
    614,730.70x = 922,096.05 × 425,773.90
  4. Step 4: Simplify right side
    614,730.70x = 392,604,431,383.10
  5. Step 5: Solve for x
    x = 392,604,431,383.10/614,730.70
  6. Step 6: Final answer
    x = 638,660.85

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Similar ratio
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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.