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Finding the Fourth Proportional to 541,861.68, 812,948.04 and 354,641.52

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Solution

The fourth proportional to 541,861.68, 812,948.04 and 354,641.52 is: 532,064.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,861.68 : 812,948.04 = 354,641.52 : x
  2. Step 2: Convert to fraction form
    541,861.68/812,948.04 = 354,641.52/x
  3. Step 3: Cross multiply
    541,861.68x = 812,948.04 × 354,641.52
  4. Step 4: Simplify right side
    541,861.68x = 288,305,128,586.62
  5. Step 5: Solve for x
    x = 288,305,128,586.62/541,861.68
  6. Step 6: Final answer
    x = 532,064.07

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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.