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Finding the Fourth Proportional to 368,282.40, 552,446.95 and 115,572.86

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Solution

The fourth proportional to 368,282.40, 552,446.95 and 115,572.86 is: 173,366.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,282.40 : 552,446.95 = 115,572.86 : x
  2. Step 2: Convert to fraction form
    368,282.40/552,446.95 = 115,572.86/x
  3. Step 3: Cross multiply
    368,282.40x = 552,446.95 × 115,572.86
  4. Step 4: Simplify right side
    368,282.40x = 63,847,871,247.54
  5. Step 5: Solve for x
    x = 63,847,871,247.54/368,282.40
  6. Step 6: Final answer
    x = 173,366.61

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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.