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Finding the Fourth Proportional to 2,935,358.40, 4,396,039.20 and 2,935,358.40

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Solution

The fourth proportional to 2,935,358.40, 4,396,039.20 and 2,935,358.40 is: 4,396,039.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,935,358.40 : 4,396,039.20 = 2,935,358.40 : x
  2. Step 2: Convert to fraction form
    2,935,358.40/4,396,039.20 = 2,935,358.40/x
  3. Step 3: Cross multiply
    2,935,358.40x = 4,396,039.20 × 2,935,358.40
  4. Step 4: Simplify right side
    2,935,358.40x = 12,903,950,592,449.28
  5. Step 5: Solve for x
    x = 12,903,950,592,449.28/2,935,358.40
  6. Step 6: Final answer
    x = 4,396,039.20

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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.