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Finding the Fourth Proportional to 364,389.40, 546,568.38 and 124,524.72

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Solution

The fourth proportional to 364,389.40, 546,568.38 and 124,524.72 is: 186,781.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,389.40 : 546,568.38 = 124,524.72 : x
  2. Step 2: Convert to fraction form
    364,389.40/546,568.38 = 124,524.72/x
  3. Step 3: Cross multiply
    364,389.40x = 546,568.38 × 124,524.72
  4. Step 4: Simplify right side
    364,389.40x = 68,061,274,480.35
  5. Step 5: Solve for x
    x = 68,061,274,480.35/364,389.40
  6. Step 6: Final answer
    x = 186,781.71

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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.