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Finding the Fourth Proportional to 542,758.59, 748,516.48 and 338,828.35

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Solution

The fourth proportional to 542,758.59, 748,516.48 and 338,828.35 is: 467,277.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,758.59 : 748,516.48 = 338,828.35 : x
  2. Step 2: Convert to fraction form
    542,758.59/748,516.48 = 338,828.35/x
  3. Step 3: Cross multiply
    542,758.59x = 748,516.48 × 338,828.35
  4. Step 4: Simplify right side
    542,758.59x = 253,618,603,866.21
  5. Step 5: Solve for x
    x = 253,618,603,866.21/542,758.59
  6. Step 6: Final answer
    x = 467,277.00

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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.