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Finding the Fourth Proportional to 317,102.97, 437,598.77 and 173,862.66

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Solution

The fourth proportional to 317,102.97, 437,598.77 and 173,862.66 is: 239,928.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,102.97 : 437,598.77 = 173,862.66 : x
  2. Step 2: Convert to fraction form
    317,102.97/437,598.77 = 173,862.66/x
  3. Step 3: Cross multiply
    317,102.97x = 437,598.77 × 173,862.66
  4. Step 4: Simplify right side
    317,102.97x = 76,082,085,295.61
  5. Step 5: Solve for x
    x = 76,082,085,295.61/317,102.97
  6. Step 6: Final answer
    x = 239,928.64

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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.