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Finding the Fourth Proportional to 363,218.19, 544,914.81 and 113,900.19

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Solution

The fourth proportional to 363,218.19, 544,914.81 and 113,900.19 is: 170,877.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,218.19 : 544,914.81 = 113,900.19 : x
  2. Step 2: Convert to fraction form
    363,218.19/544,914.81 = 113,900.19/x
  3. Step 3: Cross multiply
    363,218.19x = 544,914.81 × 113,900.19
  4. Step 4: Simplify right side
    363,218.19x = 62,065,900,392.81
  5. Step 5: Solve for x
    x = 62,065,900,392.81/363,218.19
  6. Step 6: Final answer
    x = 170,877.73

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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.