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Finding the Fourth Proportional to 293,298.90, 404,752.44 and 159,162.90

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Solution

The fourth proportional to 293,298.90, 404,752.44 and 159,162.90 is: 219,644.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,298.90 : 404,752.44 = 159,162.90 : x
  2. Step 2: Convert to fraction form
    293,298.90/404,752.44 = 159,162.90/x
  3. Step 3: Cross multiply
    293,298.90x = 404,752.44 × 159,162.90
  4. Step 4: Simplify right side
    293,298.90x = 64,421,572,132.48
  5. Step 5: Solve for x
    x = 64,421,572,132.48/293,298.90
  6. Step 6: Final answer
    x = 219,644.78

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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.