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Finding the Fourth Proportional to 372,060.60, 513,437.58 and 202,299

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Solution

The fourth proportional to 372,060.60, 513,437.58 and 202,299 is: 279,169.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,060.60 : 513,437.58 = 202,299 : x
  2. Step 2: Convert to fraction form
    372,060.60/513,437.58 = 202,299/x
  3. Step 3: Cross multiply
    372,060.60x = 513,437.58 × 202,299
  4. Step 4: Simplify right side
    372,060.60x = 103,867,908,996.42
  5. Step 5: Solve for x
    x = 103,867,908,996.42/372,060.60
  6. Step 6: Final answer
    x = 279,169.33

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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.