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Finding the Fourth Proportional to 317,327.30, 437,939.34 and 174,115.34

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Solution

The fourth proportional to 317,327.30, 437,939.34 and 174,115.34 is: 240,294.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,327.30 : 437,939.34 = 174,115.34 : x
  2. Step 2: Convert to fraction form
    317,327.30/437,939.34 = 174,115.34/x
  3. Step 3: Cross multiply
    317,327.30x = 437,939.34 × 174,115.34
  4. Step 4: Simplify right side
    317,327.30x = 76,251,957,083.48
  5. Step 5: Solve for x
    x = 76,251,957,083.48/317,327.30
  6. Step 6: Final answer
    x = 240,294.35

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1.5x scale

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.