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Finding the Fourth Proportional to 363,646.40, 544,868.10 and 185,908.91

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Solution

The fourth proportional to 363,646.40, 544,868.10 and 185,908.91 is: 278,555.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,646.40 : 544,868.10 = 185,908.91 : x
  2. Step 2: Convert to fraction form
    363,646.40/544,868.10 = 185,908.91/x
  3. Step 3: Cross multiply
    363,646.40x = 544,868.10 × 185,908.91
  4. Step 4: Simplify right side
    363,646.40x = 101,295,831,840.43
  5. Step 5: Solve for x
    x = 101,295,831,840.43/363,646.40
  6. Step 6: Final answer
    x = 278,555.85

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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.