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Finding the Fourth Proportional to 546,671.64, 754,407.63 and 317,273.70

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Solution

The fourth proportional to 546,671.64, 754,407.63 and 317,273.70 is: 437,838.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,671.64 : 754,407.63 = 317,273.70 : x
  2. Step 2: Convert to fraction form
    546,671.64/754,407.63 = 317,273.70/x
  3. Step 3: Cross multiply
    546,671.64x = 754,407.63 × 317,273.70
  4. Step 4: Simplify right side
    546,671.64x = 239,353,700,078.33
  5. Step 5: Solve for x
    x = 239,353,700,078.33/546,671.64
  6. Step 6: Final answer
    x = 437,838.15

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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.