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Finding the Fourth Proportional to 3,368,624.63, 4,648,713.95 and 1,840,731.71

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Solution

The fourth proportional to 3,368,624.63, 4,648,713.95 and 1,840,731.71 is: 2,540,216.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368,624.63 : 4,648,713.95 = 1,840,731.71 : x
  2. Step 2: Convert to fraction form
    3,368,624.63/4,648,713.95 = 1,840,731.71/x
  3. Step 3: Cross multiply
    3,368,624.63x = 4,648,713.95 × 1,840,731.71
  4. Step 4: Simplify right side
    3,368,624.63x = 8,557,035,159,842.61
  5. Step 5: Solve for x
    x = 8,557,035,159,842.61/3,368,624.63
  6. Step 6: Final answer
    x = 2,540,216.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.