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Finding the Fourth Proportional to 542,394.79, 748,587.66 and 346,246.00

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Solution

The fourth proportional to 542,394.79, 748,587.66 and 346,246.00 is: 477,872.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,394.79 : 748,587.66 = 346,246.00 : x
  2. Step 2: Convert to fraction form
    542,394.79/748,587.66 = 346,246.00/x
  3. Step 3: Cross multiply
    542,394.79x = 748,587.66 × 346,246.00
  4. Step 4: Simplify right side
    542,394.79x = 259,195,479,754.47
  5. Step 5: Solve for x
    x = 259,195,479,754.47/542,394.79
  6. Step 6: Final answer
    x = 477,872.36

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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.