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Finding the Fourth Proportional to 620,049.26, 929,711.89 and 240,526.52

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Solution

The fourth proportional to 620,049.26, 929,711.89 and 240,526.52 is: 360,649.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,049.26 : 929,711.89 = 240,526.52 : x
  2. Step 2: Convert to fraction form
    620,049.26/929,711.89 = 240,526.52/x
  3. Step 3: Cross multiply
    620,049.26x = 929,711.89 × 240,526.52
  4. Step 4: Simplify right side
    620,049.26x = 223,620,365,504.32
  5. Step 5: Solve for x
    x = 223,620,365,504.32/620,049.26
  6. Step 6: Final answer
    x = 360,649.35

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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.