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Finding the Fourth Proportional to 293,291.96, 404,742.90 and 159,155.96

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Solution

The fourth proportional to 293,291.96, 404,742.90 and 159,155.96 is: 219,635.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,291.96 : 404,742.90 = 159,155.96 : x
  2. Step 2: Convert to fraction form
    293,291.96/404,742.90 = 159,155.96/x
  3. Step 3: Cross multiply
    293,291.96x = 404,742.90 × 159,155.96
  4. Step 4: Simplify right side
    293,291.96x = 64,417,242,778.97
  5. Step 5: Solve for x
    x = 64,417,242,778.97/293,291.96
  6. Step 6: Final answer
    x = 219,635.22

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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.