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Finding the Fourth Proportional to 240,620,469.20, 360,930,703.80 and 58,867,647.20

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Solution

The fourth proportional to 240,620,469.20, 360,930,703.80 and 58,867,647.20 is: 88,301,470.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,620,469.20 : 360,930,703.80 = 58,867,647.20 : x
  2. Step 2: Convert to fraction form
    240,620,469.20/360,930,703.80 = 58,867,647.20/x
  3. Step 3: Cross multiply
    240,620,469.20x = 360,930,703.80 × 58,867,647.20
  4. Step 4: Simplify right side
    240,620,469.20x = 21,247,141,334,946,100
  5. Step 5: Solve for x
    x = 21,247,141,334,946,100/240,620,469.20
  6. Step 6: Final answer
    x = 88,301,470.80

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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.