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Finding the Fourth Proportional to 546,845.52, 754,525.88 and 317,269.78

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Solution

The fourth proportional to 546,845.52, 754,525.88 and 317,269.78 is: 437,762.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,845.52 : 754,525.88 = 317,269.78 : x
  2. Step 2: Convert to fraction form
    546,845.52/754,525.88 = 317,269.78/x
  3. Step 3: Cross multiply
    546,845.52x = 754,525.88 × 317,269.78
  4. Step 4: Simplify right side
    546,845.52x = 239,388,258,365.56
  5. Step 5: Solve for x
    x = 239,388,258,365.56/546,845.52
  6. Step 6: Final answer
    x = 437,762.13

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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.