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Finding the Fourth Proportional to 503,474.31, 755,210.43 and 148,737.42

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Solution

The fourth proportional to 503,474.31, 755,210.43 and 148,737.42 is: 223,105.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,474.31 : 755,210.43 = 148,737.42 : x
  2. Step 2: Convert to fraction form
    503,474.31/755,210.43 = 148,737.42/x
  3. Step 3: Cross multiply
    503,474.31x = 755,210.43 × 148,737.42
  4. Step 4: Simplify right side
    503,474.31x = 112,328,050,915.29
  5. Step 5: Solve for x
    x = 112,328,050,915.29/503,474.31
  6. Step 6: Final answer
    x = 223,105.82

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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.