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Finding the Fourth Proportional to 587,206.80, 879,773.40 and 365,331.60

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Solution

The fourth proportional to 587,206.80, 879,773.40 and 365,331.60 is: 547,352.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,206.80 : 879,773.40 = 365,331.60 : x
  2. Step 2: Convert to fraction form
    587,206.80/879,773.40 = 365,331.60/x
  3. Step 3: Cross multiply
    587,206.80x = 879,773.40 × 365,331.60
  4. Step 4: Simplify right side
    587,206.80x = 321,409,023,859.44
  5. Step 5: Solve for x
    x = 321,409,023,859.44/587,206.80
  6. Step 6: Final answer
    x = 547,352.35

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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.