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Finding the Fourth Proportional to 542,567.49, 813,858.12 and 374,042.73

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Solution

The fourth proportional to 542,567.49, 813,858.12 and 374,042.73 is: 561,068.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,567.49 : 813,858.12 = 374,042.73 : x
  2. Step 2: Convert to fraction form
    542,567.49/813,858.12 = 374,042.73/x
  3. Step 3: Cross multiply
    542,567.49x = 813,858.12 × 374,042.73
  4. Step 4: Simplify right side
    542,567.49x = 304,417,713,037.47
  5. Step 5: Solve for x
    x = 304,417,713,037.47/542,567.49
  6. Step 6: Final answer
    x = 561,068.84

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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.