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Finding the Fourth Proportional to 252,071,569.60, 378,107,354.40 and 252,071,569.60

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Solution

The fourth proportional to 252,071,569.60, 378,107,354.40 and 252,071,569.60 is: 378,107,354.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,071,569.60 : 378,107,354.40 = 252,071,569.60 : x
  2. Step 2: Convert to fraction form
    252,071,569.60/378,107,354.40 = 252,071,569.60/x
  3. Step 3: Cross multiply
    252,071,569.60x = 378,107,354.40 × 252,071,569.60
  4. Step 4: Simplify right side
    252,071,569.60x = 95,310,114,300,911,456
  5. Step 5: Solve for x
    x = 95,310,114,300,911,456/252,071,569.60
  6. Step 6: Final answer
    x = 378,107,354.40

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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.