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Finding the Fourth Proportional to 3,399,013.80, 5,098,520.70 and 1,503,743.40

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Solution

The fourth proportional to 3,399,013.80, 5,098,520.70 and 1,503,743.40 is: 2,255,615.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,399,013.80 : 5,098,520.70 = 1,503,743.40 : x
  2. Step 2: Convert to fraction form
    3,399,013.80/5,098,520.70 = 1,503,743.40/x
  3. Step 3: Cross multiply
    3,399,013.80x = 5,098,520.70 × 1,503,743.40
  4. Step 4: Simplify right side
    3,399,013.80x = 7,666,866,852,388.38
  5. Step 5: Solve for x
    x = 7,666,866,852,388.38/3,399,013.80
  6. Step 6: Final answer
    x = 2,255,615.10

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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.