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Finding the Fourth Proportional to 573,238,266.30, 859,857,399.45 and 343,088,883.90

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Solution

The fourth proportional to 573,238,266.30, 859,857,399.45 and 343,088,883.90 is: 514,633,325.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,238,266.30 : 859,857,399.45 = 343,088,883.90 : x
  2. Step 2: Convert to fraction form
    573,238,266.30/859,857,399.45 = 343,088,883.90/x
  3. Step 3: Cross multiply
    573,238,266.30x = 859,857,399.45 × 343,088,883.90
  4. Step 4: Simplify right side
    573,238,266.30x = 295,007,515,490,456,960
  5. Step 5: Solve for x
    x = 295,007,515,490,456,960/573,238,266.30
  6. Step 6: Final answer
    x = 514,633,325.85

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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.