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Finding the Fourth Proportional to 598,863, 826,431.66 and 330,591

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Solution

The fourth proportional to 598,863, 826,431.66 and 330,591 is: 456,215.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,863 : 826,431.66 = 330,591 : x
  2. Step 2: Convert to fraction form
    598,863/826,431.66 = 330,591/x
  3. Step 3: Cross multiply
    598,863x = 826,431.66 × 330,591
  4. Step 4: Simplify right side
    598,863x = 273,210,868,911.06
  5. Step 5: Solve for x
    x = 273,210,868,911.06/598,863
  6. Step 6: Final answer
    x = 456,215.98

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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.