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Finding the Fourth Proportional to 871,932.58, 1,308,149 and 366,233.48

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Solution

The fourth proportional to 871,932.58, 1,308,149 and 366,233.48 is: 549,455.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,932.58 : 1,308,149 = 366,233.48 : x
  2. Step 2: Convert to fraction form
    871,932.58/1,308,149 = 366,233.48/x
  3. Step 3: Cross multiply
    871,932.58x = 1,308,149 × 366,233.48
  4. Step 4: Simplify right side
    871,932.58x = 479,087,960,628.52
  5. Step 5: Solve for x
    x = 479,087,960,628.52/871,932.58
  6. Step 6: Final answer
    x = 549,455.28

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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.