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Finding the Fourth Proportional to 542,959.38, 749,303.97 and 328,057.92

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Solution

The fourth proportional to 542,959.38, 749,303.97 and 328,057.92 is: 452,732.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,959.38 : 749,303.97 = 328,057.92 : x
  2. Step 2: Convert to fraction form
    542,959.38/749,303.97 = 328,057.92/x
  3. Step 3: Cross multiply
    542,959.38x = 749,303.97 × 328,057.92
  4. Step 4: Simplify right side
    542,959.38x = 245,815,101,845.94
  5. Step 5: Solve for x
    x = 245,815,101,845.94/542,959.38
  6. Step 6: Final answer
    x = 452,732.03

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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.