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Finding the Fourth Proportional to 317,182.54, 437,712.51 and 173,943.64

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Solution

The fourth proportional to 317,182.54, 437,712.51 and 173,943.64 is: 240,042.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,182.54 : 437,712.51 = 173,943.64 : x
  2. Step 2: Convert to fraction form
    317,182.54/437,712.51 = 173,943.64/x
  3. Step 3: Cross multiply
    317,182.54x = 437,712.51 × 173,943.64
  4. Step 4: Simplify right side
    317,182.54x = 76,137,307,262.94
  5. Step 5: Solve for x
    x = 76,137,307,262.94/317,182.54
  6. Step 6: Final answer
    x = 240,042.55

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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.