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Finding the Fourth Proportional to 269,506,243.20, 404,259,364.80 and 235,494,019.20

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Solution

The fourth proportional to 269,506,243.20, 404,259,364.80 and 235,494,019.20 is: 353,241,028.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,506,243.20 : 404,259,364.80 = 235,494,019.20 : x
  2. Step 2: Convert to fraction form
    269,506,243.20/404,259,364.80 = 235,494,019.20/x
  3. Step 3: Cross multiply
    269,506,243.20x = 404,259,364.80 × 235,494,019.20
  4. Step 4: Simplify right side
    269,506,243.20x = 95,200,662,615,991,008
  5. Step 5: Solve for x
    x = 95,200,662,615,991,008/269,506,243.20
  6. Step 6: Final answer
    x = 353,241,028.80

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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.