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Finding the Fourth Proportional to 474,808.53, 655,298.17 and 270,812.69

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Solution

The fourth proportional to 474,808.53, 655,298.17 and 270,812.69 is: 373,757.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,808.53 : 655,298.17 = 270,812.69 : x
  2. Step 2: Convert to fraction form
    474,808.53/655,298.17 = 270,812.69/x
  3. Step 3: Cross multiply
    474,808.53x = 655,298.17 × 270,812.69
  4. Step 4: Simplify right side
    474,808.53x = 177,463,060,169.78
  5. Step 5: Solve for x
    x = 177,463,060,169.78/474,808.53
  6. Step 6: Final answer
    x = 373,757.10

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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.