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Finding the Fourth Proportional to 474,679.38, 655,052.01 and 256,883.01

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Solution

The fourth proportional to 474,679.38, 655,052.01 and 256,883.01 is: 354,495.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,679.38 : 655,052.01 = 256,883.01 : x
  2. Step 2: Convert to fraction form
    474,679.38/655,052.01 = 256,883.01/x
  3. Step 3: Cross multiply
    474,679.38x = 655,052.01 × 256,883.01
  4. Step 4: Simplify right side
    474,679.38x = 168,271,732,035.35
  5. Step 5: Solve for x
    x = 168,271,732,035.35/474,679.38
  6. Step 6: Final answer
    x = 354,495.56

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1.5x scale

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.