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Finding the Fourth Proportional to 577,368,657.90, 866,052,986.85 and 577,368,657.90

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Solution

The fourth proportional to 577,368,657.90, 866,052,986.85 and 577,368,657.90 is: 866,052,986.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,368,657.90 : 866,052,986.85 = 577,368,657.90 : x
  2. Step 2: Convert to fraction form
    577,368,657.90/866,052,986.85 = 577,368,657.90/x
  3. Step 3: Cross multiply
    577,368,657.90x = 866,052,986.85 × 577,368,657.90
  4. Step 4: Simplify right side
    577,368,657.90x = 500,031,850,687,870,848
  5. Step 5: Solve for x
    x = 500,031,850,687,870,848/577,368,657.90
  6. Step 6: Final answer
    x = 866,052,986.85

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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.