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Finding the Fourth Proportional to 316,992,002.60, 475,488,003.90 and 316,992,002.60

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Solution

The fourth proportional to 316,992,002.60, 475,488,003.90 and 316,992,002.60 is: 475,488,003.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,992,002.60 : 475,488,003.90 = 316,992,002.60 : x
  2. Step 2: Convert to fraction form
    316,992,002.60/475,488,003.90 = 316,992,002.60/x
  3. Step 3: Cross multiply
    316,992,002.60x = 475,488,003.90 × 316,992,002.60
  4. Step 4: Simplify right side
    316,992,002.60x = 150,725,894,568,537,600
  5. Step 5: Solve for x
    x = 150,725,894,568,537,600/316,992,002.60
  6. Step 6: Final answer
    x = 475,488,003.90

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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.