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Finding the Fourth Proportional to 524,318.80, 786,478.20 and 224,748.40

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Solution

The fourth proportional to 524,318.80, 786,478.20 and 224,748.40 is: 337,122.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,318.80 : 786,478.20 = 224,748.40 : x
  2. Step 2: Convert to fraction form
    524,318.80/786,478.20 = 224,748.40/x
  3. Step 3: Cross multiply
    524,318.80x = 786,478.20 × 224,748.40
  4. Step 4: Simplify right side
    524,318.80x = 176,759,717,084.88
  5. Step 5: Solve for x
    x = 176,759,717,084.88/524,318.80
  6. Step 6: Final answer
    x = 337,122.60

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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.