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Finding the Fourth Proportional to 316,739.04, 475,049.16 and 158,925.12

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Solution

The fourth proportional to 316,739.04, 475,049.16 and 158,925.12 is: 238,357.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,739.04 : 475,049.16 = 158,925.12 : x
  2. Step 2: Convert to fraction form
    316,739.04/475,049.16 = 158,925.12/x
  3. Step 3: Cross multiply
    316,739.04x = 475,049.16 × 158,925.12
  4. Step 4: Simplify right side
    316,739.04x = 75,497,244,758.90
  5. Step 5: Solve for x
    x = 75,497,244,758.90/316,739.04
  6. Step 6: Final answer
    x = 238,357.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.