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Finding the Fourth Proportional to 542,667.60, 814,001.40 and 462,488.40

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Solution

The fourth proportional to 542,667.60, 814,001.40 and 462,488.40 is: 693,732.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,667.60 : 814,001.40 = 462,488.40 : x
  2. Step 2: Convert to fraction form
    542,667.60/814,001.40 = 462,488.40/x
  3. Step 3: Cross multiply
    542,667.60x = 814,001.40 × 462,488.40
  4. Step 4: Simplify right side
    542,667.60x = 376,466,205,083.76
  5. Step 5: Solve for x
    x = 376,466,205,083.76/542,667.60
  6. Step 6: Final answer
    x = 693,732.60

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Similar ratio
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1.5x scale

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.