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Finding the Fourth Proportional to 347,690,999.10, 521,536,498.65 and 347,690,999.10

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Solution

The fourth proportional to 347,690,999.10, 521,536,498.65 and 347,690,999.10 is: 521,536,498.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,690,999.10 : 521,536,498.65 = 347,690,999.10 : x
  2. Step 2: Convert to fraction form
    347,690,999.10/521,536,498.65 = 347,690,999.10/x
  3. Step 3: Cross multiply
    347,690,999.10x = 521,536,498.65 × 347,690,999.10
  4. Step 4: Simplify right side
    347,690,999.10x = 181,333,546,282,734,304
  5. Step 5: Solve for x
    x = 181,333,546,282,734,304/347,690,999.10
  6. Step 6: Final answer
    x = 521,536,498.65

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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.