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Finding the Fourth Proportional to 546,843.02, 754,522.43 and 317,267.28

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Solution

The fourth proportional to 546,843.02, 754,522.43 and 317,267.28 is: 437,758.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,843.02 : 754,522.43 = 317,267.28 : x
  2. Step 2: Convert to fraction form
    546,843.02/754,522.43 = 317,267.28/x
  3. Step 3: Cross multiply
    546,843.02x = 754,522.43 × 317,267.28
  4. Step 4: Simplify right side
    546,843.02x = 239,385,277,478.75
  5. Step 5: Solve for x
    x = 239,385,277,478.75/546,843.02
  6. Step 6: Final answer
    x = 437,758.68

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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.