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Finding the Fourth Proportional to 317,313.91, 437,904.57 and 174,078.17

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Solution

The fourth proportional to 317,313.91, 437,904.57 and 174,078.17 is: 240,234.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,313.91 : 437,904.57 = 174,078.17 : x
  2. Step 2: Convert to fraction form
    317,313.91/437,904.57 = 174,078.17/x
  3. Step 3: Cross multiply
    317,313.91x = 437,904.57 × 174,078.17
  4. Step 4: Simplify right side
    317,313.91x = 76,229,626,180.24
  5. Step 5: Solve for x
    x = 76,229,626,180.24/317,313.91
  6. Step 6: Final answer
    x = 240,234.11

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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.