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Finding the Fourth Proportional to 317,287.14, 437,852.16 and 181,319.52

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Solution

The fourth proportional to 317,287.14, 437,852.16 and 181,319.52 is: 250,218.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,287.14 : 437,852.16 = 181,319.52 : x
  2. Step 2: Convert to fraction form
    317,287.14/437,852.16 = 181,319.52/x
  3. Step 3: Cross multiply
    317,287.14x = 437,852.16 × 181,319.52
  4. Step 4: Simplify right side
    317,287.14x = 79,391,145,124.11
  5. Step 5: Solve for x
    x = 79,391,145,124.11/317,287.14
  6. Step 6: Final answer
    x = 250,218.61

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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.