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Finding the Fourth Proportional to 524,652,023.70, 786,978,035.55 and 161,146,379.70

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Solution

The fourth proportional to 524,652,023.70, 786,978,035.55 and 161,146,379.70 is: 241,719,569.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,652,023.70 : 786,978,035.55 = 161,146,379.70 : x
  2. Step 2: Convert to fraction form
    524,652,023.70/786,978,035.55 = 161,146,379.70/x
  3. Step 3: Cross multiply
    524,652,023.70x = 786,978,035.55 × 161,146,379.70
  4. Step 4: Simplify right side
    524,652,023.70x = 126,818,661,332,300,384
  5. Step 5: Solve for x
    x = 126,818,661,332,300,384/524,652,023.70
  6. Step 6: Final answer
    x = 241,719,569.55

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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.