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Finding the Fourth Proportional to 2,428,543.40, 3,404,937.40 and 2,428,543.40

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Solution

The fourth proportional to 2,428,543.40, 3,404,937.40 and 2,428,543.40 is: 3,404,937.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428,543.40 : 3,404,937.40 = 2,428,543.40 : x
  2. Step 2: Convert to fraction form
    2,428,543.40/3,404,937.40 = 2,428,543.40/x
  3. Step 3: Cross multiply
    2,428,543.40x = 3,404,937.40 × 2,428,543.40
  4. Step 4: Simplify right side
    2,428,543.40x = 8,269,038,250,183.16
  5. Step 5: Solve for x
    x = 8,269,038,250,183.16/2,428,543.40
  6. Step 6: Final answer
    x = 3,404,937.40

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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.