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Finding the Fourth Proportional to 348,342.93, 480,815.29 and 227,502.98

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Solution

The fourth proportional to 348,342.93, 480,815.29 and 227,502.98 is: 314,020.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,342.93 : 480,815.29 = 227,502.98 : x
  2. Step 2: Convert to fraction form
    348,342.93/480,815.29 = 227,502.98/x
  3. Step 3: Cross multiply
    348,342.93x = 480,815.29 × 227,502.98
  4. Step 4: Simplify right side
    348,342.93x = 109,386,910,987.92
  5. Step 5: Solve for x
    x = 109,386,910,987.92/348,342.93
  6. Step 6: Final answer
    x = 314,020.76

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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.