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Finding the Fourth Proportional to 317,356.92, 437,950.80 and 174,113.28

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Solution

The fourth proportional to 317,356.92, 437,950.80 and 174,113.28 is: 240,275.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,356.92 : 437,950.80 = 174,113.28 : x
  2. Step 2: Convert to fraction form
    317,356.92/437,950.80 = 174,113.28/x
  3. Step 3: Cross multiply
    317,356.92x = 437,950.80 × 174,113.28
  4. Step 4: Simplify right side
    317,356.92x = 76,253,050,266.62
  5. Step 5: Solve for x
    x = 76,253,050,266.62/317,356.92
  6. Step 6: Final answer
    x = 240,275.37

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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.