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Finding the Fourth Proportional to 293,236.81, 404,655.75 and 165,915.14

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Solution

The fourth proportional to 293,236.81, 404,655.75 and 165,915.14 is: 228,956.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,236.81 : 404,655.75 = 165,915.14 : x
  2. Step 2: Convert to fraction form
    293,236.81/404,655.75 = 165,915.14/x
  3. Step 3: Cross multiply
    293,236.81x = 404,655.75 × 165,915.14
  4. Step 4: Simplify right side
    293,236.81x = 67,138,513,389.78
  5. Step 5: Solve for x
    x = 67,138,513,389.78/293,236.81
  6. Step 6: Final answer
    x = 228,956.64

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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.