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Finding the Fourth Proportional to 614,369.96, 847,836.18 and 338,737.70

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Solution

The fourth proportional to 614,369.96, 847,836.18 and 338,737.70 is: 467,461.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,369.96 : 847,836.18 = 338,737.70 : x
  2. Step 2: Convert to fraction form
    614,369.96/847,836.18 = 338,737.70/x
  3. Step 3: Cross multiply
    614,369.96x = 847,836.18 × 338,737.70
  4. Step 4: Simplify right side
    614,369.96x = 287,194,077,589.99
  5. Step 5: Solve for x
    x = 287,194,077,589.99/614,369.96
  6. Step 6: Final answer
    x = 467,461.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.