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Finding the Fourth Proportional to 404,416.80, 558,065.16 and 234,618.12

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Solution

The fourth proportional to 404,416.80, 558,065.16 and 234,618.12 is: 323,755.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,416.80 : 558,065.16 = 234,618.12 : x
  2. Step 2: Convert to fraction form
    404,416.80/558,065.16 = 234,618.12/x
  3. Step 3: Cross multiply
    404,416.80x = 558,065.16 × 234,618.12
  4. Step 4: Simplify right side
    404,416.80x = 130,932,198,676.70
  5. Step 5: Solve for x
    x = 130,932,198,676.70/404,416.80
  6. Step 6: Final answer
    x = 323,755.59

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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.