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Finding the Fourth Proportional to 635,767.64, 877,371.73 and 349,298.54

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Solution

The fourth proportional to 635,767.64, 877,371.73 and 349,298.54 is: 482,038.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,767.64 : 877,371.73 = 349,298.54 : x
  2. Step 2: Convert to fraction form
    635,767.64/877,371.73 = 349,298.54/x
  3. Step 3: Cross multiply
    635,767.64x = 877,371.73 × 349,298.54
  4. Step 4: Simplify right side
    635,767.64x = 306,464,664,326.27
  5. Step 5: Solve for x
    x = 306,464,664,326.27/635,767.64
  6. Step 6: Final answer
    x = 482,038.79

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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.