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Finding the Fourth Proportional to 587,165.80, 881,094.30 and 213,226.60

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Solution

The fourth proportional to 587,165.80, 881,094.30 and 213,226.60 is: 319,965.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,165.80 : 881,094.30 = 213,226.60 : x
  2. Step 2: Convert to fraction form
    587,165.80/881,094.30 = 213,226.60/x
  3. Step 3: Cross multiply
    587,165.80x = 881,094.30 × 213,226.60
  4. Step 4: Simplify right side
    587,165.80x = 187,872,741,868.38
  5. Step 5: Solve for x
    x = 187,872,741,868.38/587,165.80
  6. Step 6: Final answer
    x = 319,965.40

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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.