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Finding the Fourth Proportional to 2,655,479.73, 3,983,213.50 and 1,138,178.82

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Solution

The fourth proportional to 2,655,479.73, 3,983,213.50 and 1,138,178.82 is: 1,707,265.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,655,479.73 : 3,983,213.50 = 1,138,178.82 : x
  2. Step 2: Convert to fraction form
    2,655,479.73/3,983,213.50 = 1,138,178.82/x
  3. Step 3: Cross multiply
    2,655,479.73x = 3,983,213.50 × 1,138,178.82
  4. Step 4: Simplify right side
    2,655,479.73x = 4,533,609,241,238.07
  5. Step 5: Solve for x
    x = 4,533,609,241,238.07/2,655,479.73
  6. Step 6: Final answer
    x = 1,707,265.62

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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.