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Finding the Fourth Proportional to 270,687.24, 373,462.52 and 157,488.12

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Solution

The fourth proportional to 270,687.24, 373,462.52 and 157,488.12 is: 217,283.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,687.24 : 373,462.52 = 157,488.12 : x
  2. Step 2: Convert to fraction form
    270,687.24/373,462.52 = 157,488.12/x
  3. Step 3: Cross multiply
    270,687.24x = 373,462.52 × 157,488.12
  4. Step 4: Simplify right side
    270,687.24x = 58,815,909,377.82
  5. Step 5: Solve for x
    x = 58,815,909,377.82/270,687.24
  6. Step 6: Final answer
    x = 217,283.64

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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.