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Finding the Fourth Proportional to 4,138,625.60, 6,207,938.40 and 4,138,625.60

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Solution

The fourth proportional to 4,138,625.60, 6,207,938.40 and 4,138,625.60 is: 6,207,938.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138,625.60 : 6,207,938.40 = 4,138,625.60 : x
  2. Step 2: Convert to fraction form
    4,138,625.60/6,207,938.40 = 4,138,625.60/x
  3. Step 3: Cross multiply
    4,138,625.60x = 6,207,938.40 × 4,138,625.60
  4. Step 4: Simplify right side
    4,138,625.60x = 25,692,332,785,463.04
  5. Step 5: Solve for x
    x = 25,692,332,785,463.04/4,138,625.60
  6. Step 6: Final answer
    x = 6,207,938.40

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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.