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Finding the Fourth Proportional to 317,364.54, 437,948.55 and 174,121.62

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Solution

The fourth proportional to 317,364.54, 437,948.55 and 174,121.62 is: 240,279.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,364.54 : 437,948.55 = 174,121.62 : x
  2. Step 2: Convert to fraction form
    317,364.54/437,948.55 = 174,121.62/x
  3. Step 3: Cross multiply
    317,364.54x = 437,948.55 × 174,121.62
  4. Step 4: Simplify right side
    317,364.54x = 76,256,311,002.65
  5. Step 5: Solve for x
    x = 76,256,311,002.65/317,364.54
  6. Step 6: Final answer
    x = 240,279.87

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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.