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Finding the Fourth Proportional to 474,705.80, 655,077.69 and 270,822.72

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Solution

The fourth proportional to 474,705.80, 655,077.69 and 270,822.72 is: 373,726.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,705.80 : 655,077.69 = 270,822.72 : x
  2. Step 2: Convert to fraction form
    474,705.80/655,077.69 = 270,822.72/x
  3. Step 3: Cross multiply
    474,705.80x = 655,077.69 × 270,822.72
  4. Step 4: Simplify right side
    474,705.80x = 177,409,921,817.12
  5. Step 5: Solve for x
    x = 177,409,921,817.12/474,705.80
  6. Step 6: Final answer
    x = 373,726.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.