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Finding the Fourth Proportional to 296,390.48, 409,057.80 and 169,036.88

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Solution

The fourth proportional to 296,390.48, 409,057.80 and 169,036.88 is: 233,293.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,390.48 : 409,057.80 = 169,036.88 : x
  2. Step 2: Convert to fraction form
    296,390.48/409,057.80 = 169,036.88/x
  3. Step 3: Cross multiply
    296,390.48x = 409,057.80 × 169,036.88
  4. Step 4: Simplify right side
    296,390.48x = 69,145,854,251.66
  5. Step 5: Solve for x
    x = 69,145,854,251.66/296,390.48
  6. Step 6: Final answer
    x = 233,293.10

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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.