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Finding the Fourth Proportional to 404,360.96, 558,017.36 and 220,599.54

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Solution

The fourth proportional to 404,360.96, 558,017.36 and 220,599.54 is: 304,426.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,360.96 : 558,017.36 = 220,599.54 : x
  2. Step 2: Convert to fraction form
    404,360.96/558,017.36 = 220,599.54/x
  3. Step 3: Cross multiply
    404,360.96x = 558,017.36 × 220,599.54
  4. Step 4: Simplify right side
    404,360.96x = 123,098,372,022.67
  5. Step 5: Solve for x
    x = 123,098,372,022.67/404,360.96
  6. Step 6: Final answer
    x = 304,426.95

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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.