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Finding the Fourth Proportional to 884,812.12, 1,327,222.86 and 219,964.12

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Solution

The fourth proportional to 884,812.12, 1,327,222.86 and 219,964.12 is: 329,947.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,812.12 : 1,327,222.86 = 219,964.12 : x
  2. Step 2: Convert to fraction form
    884,812.12/1,327,222.86 = 219,964.12/x
  3. Step 3: Cross multiply
    884,812.12x = 1,327,222.86 × 219,964.12
  4. Step 4: Simplify right side
    884,812.12x = 291,941,408,443.78
  5. Step 5: Solve for x
    x = 291,941,408,443.78/884,812.12
  6. Step 6: Final answer
    x = 329,947.34

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1.5x scale

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.