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Finding the Fourth Proportional to 382,016.66, 527,173.53 and 212,251.19

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Solution

The fourth proportional to 382,016.66, 527,173.53 and 212,251.19 is: 292,901.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,016.66 : 527,173.53 = 212,251.19 : x
  2. Step 2: Convert to fraction form
    382,016.66/527,173.53 = 212,251.19/x
  3. Step 3: Cross multiply
    382,016.66x = 527,173.53 × 212,251.19
  4. Step 4: Simplify right side
    382,016.66x = 111,893,209,079.00
  5. Step 5: Solve for x
    x = 111,893,209,079.00/382,016.66
  6. Step 6: Final answer
    x = 292,901.39

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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.