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Finding the Fourth Proportional to 356,416.66, 491,854.98 and 195,277.82

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Solution

The fourth proportional to 356,416.66, 491,854.98 and 195,277.82 is: 269,483.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,416.66 : 491,854.98 = 195,277.82 : x
  2. Step 2: Convert to fraction form
    356,416.66/491,854.98 = 195,277.82/x
  3. Step 3: Cross multiply
    356,416.66x = 491,854.98 × 195,277.82
  4. Step 4: Simplify right side
    356,416.66x = 96,048,368,250.54
  5. Step 5: Solve for x
    x = 96,048,368,250.54/356,416.66
  6. Step 6: Final answer
    x = 269,483.39

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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.