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Finding the Fourth Proportional to 318,165.11, 439,056.56 and 174,924.11

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Solution

The fourth proportional to 318,165.11, 439,056.56 and 174,924.11 is: 241,389.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,165.11 : 439,056.56 = 174,924.11 : x
  2. Step 2: Convert to fraction form
    318,165.11/439,056.56 = 174,924.11/x
  3. Step 3: Cross multiply
    318,165.11x = 439,056.56 × 174,924.11
  4. Step 4: Simplify right side
    318,165.11x = 76,801,577,123.04
  5. Step 5: Solve for x
    x = 76,801,577,123.04/318,165.11
  6. Step 6: Final answer
    x = 241,389.06

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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.