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Finding the Fourth Proportional to 3,468,388.98, 4,786,461.81 and 1,940,595.06

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Solution

The fourth proportional to 3,468,388.98, 4,786,461.81 and 1,940,595.06 is: 2,678,068.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,468,388.98 : 4,786,461.81 = 1,940,595.06 : x
  2. Step 2: Convert to fraction form
    3,468,388.98/4,786,461.81 = 1,940,595.06/x
  3. Step 3: Cross multiply
    3,468,388.98x = 4,786,461.81 × 1,940,595.06
  4. Step 4: Simplify right side
    3,468,388.98x = 9,288,584,143,364.66
  5. Step 5: Solve for x
    x = 9,288,584,143,364.66/3,468,388.98
  6. Step 6: Final answer
    x = 2,678,068.75

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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.