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Finding the Fourth Proportional to 8,307,450.40, 12,462,860.40 and 4,714,938.40

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Solution

The fourth proportional to 8,307,450.40, 12,462,860.40 and 4,714,938.40 is: 7,073,363.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,307,450.40 : 12,462,860.40 = 4,714,938.40 : x
  2. Step 2: Convert to fraction form
    8,307,450.40/12,462,860.40 = 4,714,938.40/x
  3. Step 3: Cross multiply
    8,307,450.40x = 12,462,860.40 × 4,714,938.40
  4. Step 4: Simplify right side
    8,307,450.40x = 58,761,619,073,799.37
  5. Step 5: Solve for x
    x = 58,761,619,073,799.37/8,307,450.40
  6. Step 6: Final answer
    x = 7,073,363.82

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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.