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Finding the Fourth Proportional to 533,927.70, 801,345.15 and 218,610.90

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Solution

The fourth proportional to 533,927.70, 801,345.15 and 218,610.90 is: 328,102.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,927.70 : 801,345.15 = 218,610.90 : x
  2. Step 2: Convert to fraction form
    533,927.70/801,345.15 = 218,610.90/x
  3. Step 3: Cross multiply
    533,927.70x = 801,345.15 × 218,610.90
  4. Step 4: Simplify right side
    533,927.70x = 175,182,784,452.14
  5. Step 5: Solve for x
    x = 175,182,784,452.14/533,927.70
  6. Step 6: Final answer
    x = 328,102.07

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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.