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Finding the Fourth Proportional to 316,469,713.80, 474,704,570.70 and 310,801,009.80

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Solution

The fourth proportional to 316,469,713.80, 474,704,570.70 and 310,801,009.80 is: 466,201,514.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,469,713.80 : 474,704,570.70 = 310,801,009.80 : x
  2. Step 2: Convert to fraction form
    316,469,713.80/474,704,570.70 = 310,801,009.80/x
  3. Step 3: Cross multiply
    316,469,713.80x = 474,704,570.70 × 310,801,009.80
  4. Step 4: Simplify right side
    316,469,713.80x = 147,538,659,930,235,488
  5. Step 5: Solve for x
    x = 147,538,659,930,235,488/316,469,713.80
  6. Step 6: Final answer
    x = 466,201,514.70

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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.