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Finding the Fourth Proportional to 542,966.59, 749,293.98 and 301,248.58

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Solution

The fourth proportional to 542,966.59, 749,293.98 and 301,248.58 is: 415,723.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,966.59 : 749,293.98 = 301,248.58 : x
  2. Step 2: Convert to fraction form
    542,966.59/749,293.98 = 301,248.58/x
  3. Step 3: Cross multiply
    542,966.59x = 749,293.98 × 301,248.58
  4. Step 4: Simplify right side
    542,966.59x = 225,723,747,477.55
  5. Step 5: Solve for x
    x = 225,723,747,477.55/542,966.59
  6. Step 6: Final answer
    x = 415,723.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.