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Finding the Fourth Proportional to 588,061.44, 811,476 and 329,903.08

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Solution

The fourth proportional to 588,061.44, 811,476 and 329,903.08 is: 455,238.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,061.44 : 811,476 = 329,903.08 : x
  2. Step 2: Convert to fraction form
    588,061.44/811,476 = 329,903.08/x
  3. Step 3: Cross multiply
    588,061.44x = 811,476 × 329,903.08
  4. Step 4: Simplify right side
    588,061.44x = 267,708,431,746.08
  5. Step 5: Solve for x
    x = 267,708,431,746.08/588,061.44
  6. Step 6: Final answer
    x = 455,238.88

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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.