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Finding the Fourth Proportional to 574,560,266.70, 861,840,400.05 and 565,490,340.30

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Solution

The fourth proportional to 574,560,266.70, 861,840,400.05 and 565,490,340.30 is: 848,235,510.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,560,266.70 : 861,840,400.05 = 565,490,340.30 : x
  2. Step 2: Convert to fraction form
    574,560,266.70/861,840,400.05 = 565,490,340.30/x
  3. Step 3: Cross multiply
    574,560,266.70x = 861,840,400.05 × 565,490,340.30
  4. Step 4: Simplify right side
    574,560,266.70x = 487,362,421,108,562,560
  5. Step 5: Solve for x
    x = 487,362,421,108,562,560/574,560,266.70
  6. Step 6: Final answer
    x = 848,235,510.45

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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.