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Finding the Fourth Proportional to 2,428,456.40, 3,404,815.60 and 2,428,456.40

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Solution

The fourth proportional to 2,428,456.40, 3,404,815.60 and 2,428,456.40 is: 3,404,815.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428,456.40 : 3,404,815.60 = 2,428,456.40 : x
  2. Step 2: Convert to fraction form
    2,428,456.40/3,404,815.60 = 2,428,456.40/x
  3. Step 3: Cross multiply
    2,428,456.40x = 3,404,815.60 × 2,428,456.40
  4. Step 4: Simplify right side
    2,428,456.40x = 8,268,446,234,639.84
  5. Step 5: Solve for x
    x = 8,268,446,234,639.84/2,428,456.40
  6. Step 6: Final answer
    x = 3,404,815.60

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1.5x scale

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.