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Finding the Fourth Proportional to 474,883.18, 712,264.61 and 133,357.61

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Solution

The fourth proportional to 474,883.18, 712,264.61 and 133,357.61 is: 200,019.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,883.18 : 712,264.61 = 133,357.61 : x
  2. Step 2: Convert to fraction form
    474,883.18/712,264.61 = 133,357.61/x
  3. Step 3: Cross multiply
    474,883.18x = 712,264.61 × 133,357.61
  4. Step 4: Simplify right side
    474,883.18x = 94,985,908,191.24
  5. Step 5: Solve for x
    x = 94,985,908,191.24/474,883.18
  6. Step 6: Final answer
    x = 200,019.53

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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.