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Finding the Fourth Proportional to 541,862.60, 812,793.90 and 352,905.80

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Solution

The fourth proportional to 541,862.60, 812,793.90 and 352,905.80 is: 529,358.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,862.60 : 812,793.90 = 352,905.80 : x
  2. Step 2: Convert to fraction form
    541,862.60/812,793.90 = 352,905.80/x
  3. Step 3: Cross multiply
    541,862.60x = 812,793.90 × 352,905.80
  4. Step 4: Simplify right side
    541,862.60x = 286,839,681,514.62
  5. Step 5: Solve for x
    x = 286,839,681,514.62/541,862.60
  6. Step 6: Final answer
    x = 529,358.70

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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.