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Finding the Fourth Proportional to 499,548.12, 749,292.42 and 144,554.04

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Solution

The fourth proportional to 499,548.12, 749,292.42 and 144,554.04 is: 216,822.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,548.12 : 749,292.42 = 144,554.04 : x
  2. Step 2: Convert to fraction form
    499,548.12/749,292.42 = 144,554.04/x
  3. Step 3: Cross multiply
    499,548.12x = 749,292.42 × 144,554.04
  4. Step 4: Simplify right side
    499,548.12x = 108,313,246,452.38
  5. Step 5: Solve for x
    x = 108,313,246,452.38/499,548.12
  6. Step 6: Final answer
    x = 216,822.45

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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.