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Finding the Fourth Proportional to 588,737.70, 883,106.55 and 145,505.70

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Solution

The fourth proportional to 588,737.70, 883,106.55 and 145,505.70 is: 218,258.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,737.70 : 883,106.55 = 145,505.70 : x
  2. Step 2: Convert to fraction form
    588,737.70/883,106.55 = 145,505.70/x
  3. Step 3: Cross multiply
    588,737.70x = 883,106.55 × 145,505.70
  4. Step 4: Simplify right side
    588,737.70x = 128,497,036,732.34
  5. Step 5: Solve for x
    x = 128,497,036,732.34/588,737.70
  6. Step 6: Final answer
    x = 218,258.55

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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.