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Finding the Fourth Proportional to 866,652.52, 1,300,432.12 and 354,697.68

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Solution

The fourth proportional to 866,652.52, 1,300,432.12 and 354,697.68 is: 532,232.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,652.52 : 1,300,432.12 = 354,697.68 : x
  2. Step 2: Convert to fraction form
    866,652.52/1,300,432.12 = 354,697.68/x
  3. Step 3: Cross multiply
    866,652.52x = 1,300,432.12 × 354,697.68
  4. Step 4: Simplify right side
    866,652.52x = 461,260,255,961.48
  5. Step 5: Solve for x
    x = 461,260,255,961.48/866,652.52
  6. Step 6: Final answer
    x = 532,232.06

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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.