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Finding the Fourth Proportional to 363,569.84, 545,603.88 and 126,912.52

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Solution

The fourth proportional to 363,569.84, 545,603.88 and 126,912.52 is: 190,455.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,569.84 : 545,603.88 = 126,912.52 : x
  2. Step 2: Convert to fraction form
    363,569.84/545,603.88 = 126,912.52/x
  3. Step 3: Cross multiply
    363,569.84x = 545,603.88 × 126,912.52
  4. Step 4: Simplify right side
    363,569.84x = 69,243,963,419.68
  5. Step 5: Solve for x
    x = 69,243,963,419.68/363,569.84
  6. Step 6: Final answer
    x = 190,455.74

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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.