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Finding the Fourth Proportional to 546,374.28, 754,472.37 and 342,775.22

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Solution

The fourth proportional to 546,374.28, 754,472.37 and 342,775.22 is: 473,328.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,374.28 : 754,472.37 = 342,775.22 : x
  2. Step 2: Convert to fraction form
    546,374.28/754,472.37 = 342,775.22/x
  3. Step 3: Cross multiply
    546,374.28x = 754,472.37 × 342,775.22
  4. Step 4: Simplify right side
    546,374.28x = 258,614,428,838.31
  5. Step 5: Solve for x
    x = 258,614,428,838.31/546,374.28
  6. Step 6: Final answer
    x = 473,328.34

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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.