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Finding the Fourth Proportional to 546,538.60, 754,242.02 and 317,078.52

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Solution

The fourth proportional to 546,538.60, 754,242.02 and 317,078.52 is: 437,579.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,538.60 : 754,242.02 = 317,078.52 : x
  2. Step 2: Convert to fraction form
    546,538.60/754,242.02 = 317,078.52/x
  3. Step 3: Cross multiply
    546,538.60x = 754,242.02 × 317,078.52
  4. Step 4: Simplify right side
    546,538.60x = 239,153,943,423.41
  5. Step 5: Solve for x
    x = 239,153,943,423.41/546,538.60
  6. Step 6: Final answer
    x = 437,579.24

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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.