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Finding the Fourth Proportional to 551,488.16, 760,964.44 and 344,732.36

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Solution

The fourth proportional to 551,488.16, 760,964.44 and 344,732.36 is: 475,674.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,488.16 : 760,964.44 = 344,732.36 : x
  2. Step 2: Convert to fraction form
    551,488.16/760,964.44 = 344,732.36/x
  3. Step 3: Cross multiply
    551,488.16x = 760,964.44 × 344,732.36
  4. Step 4: Simplify right side
    551,488.16x = 262,329,067,277.28
  5. Step 5: Solve for x
    x = 262,329,067,277.28/551,488.16
  6. Step 6: Final answer
    x = 475,674.89

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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.