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Finding the Fourth Proportional to 474,812.64, 655,249.68 and 293,520.06

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Solution

The fourth proportional to 474,812.64, 655,249.68 and 293,520.06 is: 405,062.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,812.64 : 655,249.68 = 293,520.06 : x
  2. Step 2: Convert to fraction form
    474,812.64/655,249.68 = 293,520.06/x
  3. Step 3: Cross multiply
    474,812.64x = 655,249.68 × 293,520.06
  4. Step 4: Simplify right side
    474,812.64x = 192,328,925,388.58
  5. Step 5: Solve for x
    x = 192,328,925,388.58/474,812.64
  6. Step 6: Final answer
    x = 405,062.77

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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.