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Finding the Fourth Proportional to 500,538.78, 750,866.49 and 163,604.70

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Solution

The fourth proportional to 500,538.78, 750,866.49 and 163,604.70 is: 245,426.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,538.78 : 750,866.49 = 163,604.70 : x
  2. Step 2: Convert to fraction form
    500,538.78/750,866.49 = 163,604.70/x
  3. Step 3: Cross multiply
    500,538.78x = 750,866.49 × 163,604.70
  4. Step 4: Simplify right side
    500,538.78x = 122,845,286,836.50
  5. Step 5: Solve for x
    x = 122,845,286,836.50/500,538.78
  6. Step 6: Final answer
    x = 245,426.11

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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.