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Finding the Fourth Proportional to 316,937.20, 437,370.83 and 173,696.91

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Solution

The fourth proportional to 316,937.20, 437,370.83 and 173,696.91 is: 239,700.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,937.20 : 437,370.83 = 173,696.91 : x
  2. Step 2: Convert to fraction form
    316,937.20/437,370.83 = 173,696.91/x
  3. Step 3: Cross multiply
    316,937.20x = 437,370.83 × 173,696.91
  4. Step 4: Simplify right side
    316,937.20x = 75,969,958,639.80
  5. Step 5: Solve for x
    x = 75,969,958,639.80/316,937.20
  6. Step 6: Final answer
    x = 239,700.35

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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.