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Finding the Fourth Proportional to 588,847.70, 883,271.55 and 145,615.70

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Solution

The fourth proportional to 588,847.70, 883,271.55 and 145,615.70 is: 218,423.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,847.70 : 883,271.55 = 145,615.70 : x
  2. Step 2: Convert to fraction form
    588,847.70/883,271.55 = 145,615.70/x
  3. Step 3: Cross multiply
    588,847.70x = 883,271.55 × 145,615.70
  4. Step 4: Simplify right side
    588,847.70x = 128,618,205,043.34
  5. Step 5: Solve for x
    x = 128,618,205,043.34/588,847.70
  6. Step 6: Final answer
    x = 218,423.55

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Double scale
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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.