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Finding the Fourth Proportional to 586,432.60, 879,648.90 and 576,064.60

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Solution

The fourth proportional to 586,432.60, 879,648.90 and 576,064.60 is: 864,096.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,432.60 : 879,648.90 = 576,064.60 : x
  2. Step 2: Convert to fraction form
    586,432.60/879,648.90 = 576,064.60/x
  3. Step 3: Cross multiply
    586,432.60x = 879,648.90 × 576,064.60
  4. Step 4: Simplify right side
    586,432.60x = 506,734,591,718.94
  5. Step 5: Solve for x
    x = 506,734,591,718.94/586,432.60
  6. Step 6: Final answer
    x = 864,096.90

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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.