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Finding the Fourth Proportional to 586,469.80, 879,704.70 and 383,516.20

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Solution

The fourth proportional to 586,469.80, 879,704.70 and 383,516.20 is: 575,274.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,469.80 : 879,704.70 = 383,516.20 : x
  2. Step 2: Convert to fraction form
    586,469.80/879,704.70 = 383,516.20/x
  3. Step 3: Cross multiply
    586,469.80x = 879,704.70 × 383,516.20
  4. Step 4: Simplify right side
    586,469.80x = 337,381,003,666.14
  5. Step 5: Solve for x
    x = 337,381,003,666.14/586,469.80
  6. Step 6: Final answer
    x = 575,274.30

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Similar ratio
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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.