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Finding the Fourth Proportional to 348,516,407.20, 522,774,610.80 and 348,516,407.20

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Solution

The fourth proportional to 348,516,407.20, 522,774,610.80 and 348,516,407.20 is: 522,774,610.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,516,407.20 : 522,774,610.80 = 348,516,407.20 : x
  2. Step 2: Convert to fraction form
    348,516,407.20/522,774,610.80 = 348,516,407.20/x
  3. Step 3: Cross multiply
    348,516,407.20x = 522,774,610.80 × 348,516,407.20
  4. Step 4: Simplify right side
    348,516,407.20x = 182,195,529,131,394,304
  5. Step 5: Solve for x
    x = 182,195,529,131,394,304/348,516,407.20
  6. Step 6: Final answer
    x = 522,774,610.80

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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.