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Finding the Fourth Proportional to 293,593.44, 440,459.08 and 91,179.20

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Solution

The fourth proportional to 293,593.44, 440,459.08 and 91,179.20 is: 136,790.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,593.44 : 440,459.08 = 91,179.20 : x
  2. Step 2: Convert to fraction form
    293,593.44/440,459.08 = 91,179.20/x
  3. Step 3: Cross multiply
    293,593.44x = 440,459.08 × 91,179.20
  4. Step 4: Simplify right side
    293,593.44x = 40,160,706,547.14
  5. Step 5: Solve for x
    x = 40,160,706,547.14/293,593.44
  6. Step 6: Final answer
    x = 136,790.20

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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.