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Finding the Fourth Proportional to 361,362.49, 542,540.27 and 183,988.69

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Solution

The fourth proportional to 361,362.49, 542,540.27 and 183,988.69 is: 276,235.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,362.49 : 542,540.27 = 183,988.69 : x
  2. Step 2: Convert to fraction form
    361,362.49/542,540.27 = 183,988.69/x
  3. Step 3: Cross multiply
    361,362.49x = 542,540.27 × 183,988.69
  4. Step 4: Simplify right side
    361,362.49x = 99,821,273,549.55
  5. Step 5: Solve for x
    x = 99,821,273,549.55/361,362.49
  6. Step 6: Final answer
    x = 276,235.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.