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Finding the Fourth Proportional to 544,562.40, 815,677.20 and 355,605.60

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Solution

The fourth proportional to 544,562.40, 815,677.20 and 355,605.60 is: 532,646.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,562.40 : 815,677.20 = 355,605.60 : x
  2. Step 2: Convert to fraction form
    544,562.40/815,677.20 = 355,605.60/x
  3. Step 3: Cross multiply
    544,562.40x = 815,677.20 × 355,605.60
  4. Step 4: Simplify right side
    544,562.40x = 290,059,380,112.32
  5. Step 5: Solve for x
    x = 290,059,380,112.32/544,562.40
  6. Step 6: Final answer
    x = 532,646.73

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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.