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Finding the Fourth Proportional to 295,850,140.80, 443,775,211.20 and 199,104,259.20

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Solution

The fourth proportional to 295,850,140.80, 443,775,211.20 and 199,104,259.20 is: 298,656,388.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,850,140.80 : 443,775,211.20 = 199,104,259.20 : x
  2. Step 2: Convert to fraction form
    295,850,140.80/443,775,211.20 = 199,104,259.20/x
  3. Step 3: Cross multiply
    295,850,140.80x = 443,775,211.20 × 199,104,259.20
  4. Step 4: Simplify right side
    295,850,140.80x = 88,357,534,677,299,536
  5. Step 5: Solve for x
    x = 88,357,534,677,299,536/295,850,140.80
  6. Step 6: Final answer
    x = 298,656,388.80

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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.