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Finding the Fourth Proportional to 404,886.87, 558,812.25 and 235,219.41

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Solution

The fourth proportional to 404,886.87, 558,812.25 and 235,219.41 is: 324,642.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,886.87 : 558,812.25 = 235,219.41 : x
  2. Step 2: Convert to fraction form
    404,886.87/558,812.25 = 235,219.41/x
  3. Step 3: Cross multiply
    404,886.87x = 558,812.25 × 235,219.41
  4. Step 4: Simplify right side
    404,886.87x = 131,443,487,745.77
  5. Step 5: Solve for x
    x = 131,443,487,745.77/404,886.87
  6. Step 6: Final answer
    x = 324,642.51

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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.