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Finding the Fourth Proportional to 318,204, 439,110.28 and 174,963.04

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Solution

The fourth proportional to 318,204, 439,110.28 and 174,963.04 is: 241,442.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,204 : 439,110.28 = 174,963.04 : x
  2. Step 2: Convert to fraction form
    318,204/439,110.28 = 174,963.04/x
  3. Step 3: Cross multiply
    318,204x = 439,110.28 × 174,963.04
  4. Step 4: Simplify right side
    318,204x = 76,828,069,484.05
  5. Step 5: Solve for x
    x = 76,828,069,484.05/318,204
  6. Step 6: Final answer
    x = 241,442.81

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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.