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Finding the Fourth Proportional to 8,282,708.40, 12,416,675.40 and 3,232,844.40

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Solution

The fourth proportional to 8,282,708.40, 12,416,675.40 and 3,232,844.40 is: 4,846,383.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,282,708.40 : 12,416,675.40 = 3,232,844.40 : x
  2. Step 2: Convert to fraction form
    8,282,708.40/12,416,675.40 = 3,232,844.40/x
  3. Step 3: Cross multiply
    8,282,708.40x = 12,416,675.40 × 3,232,844.40
  4. Step 4: Simplify right side
    8,282,708.40x = 40,141,179,533,507.76
  5. Step 5: Solve for x
    x = 40,141,179,533,507.76/8,282,708.40
  6. Step 6: Final answer
    x = 4,846,383.28

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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.