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Finding the Fourth Proportional to 316,469,386.80, 474,704,080.20 and 310,800,682.80

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Solution

The fourth proportional to 316,469,386.80, 474,704,080.20 and 310,800,682.80 is: 466,201,024.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,469,386.80 : 474,704,080.20 = 310,800,682.80 : x
  2. Step 2: Convert to fraction form
    316,469,386.80/474,704,080.20 = 310,800,682.80/x
  3. Step 3: Cross multiply
    316,469,386.80x = 474,704,080.20 × 310,800,682.80
  4. Step 4: Simplify right side
    316,469,386.80x = 147,538,352,254,105,952
  5. Step 5: Solve for x
    x = 147,538,352,254,105,952/316,469,386.80
  6. Step 6: Final answer
    x = 466,201,024.20

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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.