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Finding the Fourth Proportional to 532,372.73, 734,684.76 and 290,655.92

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Solution

The fourth proportional to 532,372.73, 734,684.76 and 290,655.92 is: 401,110.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,372.73 : 734,684.76 = 290,655.92 : x
  2. Step 2: Convert to fraction form
    532,372.73/734,684.76 = 290,655.92/x
  3. Step 3: Cross multiply
    532,372.73x = 734,684.76 × 290,655.92
  4. Step 4: Simplify right side
    532,372.73x = 213,540,476,664.49
  5. Step 5: Solve for x
    x = 213,540,476,664.49/532,372.73
  6. Step 6: Final answer
    x = 401,110.85

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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.