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Finding the Fourth Proportional to 348,291.16, 480,613.80 and 193,247.44

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Solution

The fourth proportional to 348,291.16, 480,613.80 and 193,247.44 is: 266,665.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,291.16 : 480,613.80 = 193,247.44 : x
  2. Step 2: Convert to fraction form
    348,291.16/480,613.80 = 193,247.44/x
  3. Step 3: Cross multiply
    348,291.16x = 480,613.80 × 193,247.44
  4. Step 4: Simplify right side
    348,291.16x = 92,877,386,001.82
  5. Step 5: Solve for x
    x = 92,877,386,001.82/348,291.16
  6. Step 6: Final answer
    x = 266,665.93

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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.