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Finding the Fourth Proportional to 2,609,002.40, 3,645,138.40 and 2,609,002.40

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Solution

The fourth proportional to 2,609,002.40, 3,645,138.40 and 2,609,002.40 is: 3,645,138.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,609,002.40 : 3,645,138.40 = 2,609,002.40 : x
  2. Step 2: Convert to fraction form
    2,609,002.40/3,645,138.40 = 2,609,002.40/x
  3. Step 3: Cross multiply
    2,609,002.40x = 3,645,138.40 × 2,609,002.40
  4. Step 4: Simplify right side
    2,609,002.40x = 9,510,174,833,932.16
  5. Step 5: Solve for x
    x = 9,510,174,833,932.16/2,609,002.40
  6. Step 6: Final answer
    x = 3,645,138.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.