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Finding the Fourth Proportional to 298,305.08, 411,670.27 and 169,248.97

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Solution

The fourth proportional to 298,305.08, 411,670.27 and 169,248.97 is: 233,568.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,305.08 : 411,670.27 = 169,248.97 : x
  2. Step 2: Convert to fraction form
    298,305.08/411,670.27 = 169,248.97/x
  3. Step 3: Cross multiply
    298,305.08x = 411,670.27 × 169,248.97
  4. Step 4: Simplify right side
    298,305.08x = 69,674,769,177.12
  5. Step 5: Solve for x
    x = 69,674,769,177.12/298,305.08
  6. Step 6: Final answer
    x = 233,568.83

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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.