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Finding the Fourth Proportional to 546,041.60, 819,062.40 and 539,043.20

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Solution

The fourth proportional to 546,041.60, 819,062.40 and 539,043.20 is: 808,564.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,041.60 : 819,062.40 = 539,043.20 : x
  2. Step 2: Convert to fraction form
    546,041.60/819,062.40 = 539,043.20/x
  3. Step 3: Cross multiply
    546,041.60x = 819,062.40 × 539,043.20
  4. Step 4: Simplify right side
    546,041.60x = 441,510,017,095.68
  5. Step 5: Solve for x
    x = 441,510,017,095.68/546,041.60
  6. Step 6: Final answer
    x = 808,564.80

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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.