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Finding the Fourth Proportional to 240,501,607.60, 360,964,987.80 and 206,064,230.80

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Solution

The fourth proportional to 240,501,607.60, 360,964,987.80 and 206,064,230.80 is: 309,278,483.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,501,607.60 : 360,964,987.80 = 206,064,230.80 : x
  2. Step 2: Convert to fraction form
    240,501,607.60/360,964,987.80 = 206,064,230.80/x
  3. Step 3: Cross multiply
    240,501,607.60x = 360,964,987.80 × 206,064,230.80
  4. Step 4: Simplify right side
    240,501,607.60x = 74,381,972,556,738,384
  5. Step 5: Solve for x
    x = 74,381,972,556,738,384/240,501,607.60
  6. Step 6: Final answer
    x = 309,278,483.83

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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.