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Finding the Fourth Proportional to 586,205.10, 879,307.65 and 460,233.90

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Solution

The fourth proportional to 586,205.10, 879,307.65 and 460,233.90 is: 690,350.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,205.10 : 879,307.65 = 460,233.90 : x
  2. Step 2: Convert to fraction form
    586,205.10/879,307.65 = 460,233.90/x
  3. Step 3: Cross multiply
    586,205.10x = 879,307.65 × 460,233.90
  4. Step 4: Simplify right side
    586,205.10x = 404,687,189,059.34
  5. Step 5: Solve for x
    x = 404,687,189,059.34/586,205.10
  6. Step 6: Final answer
    x = 690,350.85

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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.