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Finding the Fourth Proportional to 6,472,404.60, 9,708,606.90 and 4,456,865.40

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Solution

The fourth proportional to 6,472,404.60, 9,708,606.90 and 4,456,865.40 is: 6,685,298.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,472,404.60 : 9,708,606.90 = 4,456,865.40 : x
  2. Step 2: Convert to fraction form
    6,472,404.60/9,708,606.90 = 4,456,865.40/x
  3. Step 3: Cross multiply
    6,472,404.60x = 9,708,606.90 × 4,456,865.40
  4. Step 4: Simplify right side
    6,472,404.60x = 43,269,954,174,811.27
  5. Step 5: Solve for x
    x = 43,269,954,174,811.27/6,472,404.60
  6. Step 6: Final answer
    x = 6,685,298.10

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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.