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Finding the Fourth Proportional to 286,959.92, 430,046.15 and 181,590.26

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Solution

The fourth proportional to 286,959.92, 430,046.15 and 181,590.26 is: 272,136.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,959.92 : 430,046.15 = 181,590.26 : x
  2. Step 2: Convert to fraction form
    286,959.92/430,046.15 = 181,590.26/x
  3. Step 3: Cross multiply
    286,959.92x = 430,046.15 × 181,590.26
  4. Step 4: Simplify right side
    286,959.92x = 78,092,189,132.32
  5. Step 5: Solve for x
    x = 78,092,189,132.32/286,959.92
  6. Step 6: Final answer
    x = 272,136.23

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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.