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Finding the Fourth Proportional to 317,044.16, 437,520 and 173,810.24

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Solution

The fourth proportional to 317,044.16, 437,520 and 173,810.24 is: 239,857.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,044.16 : 437,520 = 173,810.24 : x
  2. Step 2: Convert to fraction form
    317,044.16/437,520 = 173,810.24/x
  3. Step 3: Cross multiply
    317,044.16x = 437,520 × 173,810.24
  4. Step 4: Simplify right side
    317,044.16x = 76,045,456,204.80
  5. Step 5: Solve for x
    x = 76,045,456,204.80/317,044.16
  6. Step 6: Final answer
    x = 239,857.62

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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.