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Finding the Fourth Proportional to 399,164.04, 550,832.66 and 237,935.98

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Solution

The fourth proportional to 399,164.04, 550,832.66 and 237,935.98 is: 328,343.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,164.04 : 550,832.66 = 237,935.98 : x
  2. Step 2: Convert to fraction form
    399,164.04/550,832.66 = 237,935.98/x
  3. Step 3: Cross multiply
    399,164.04x = 550,832.66 × 237,935.98
  4. Step 4: Simplify right side
    399,164.04x = 131,062,908,773.11
  5. Step 5: Solve for x
    x = 131,062,908,773.11/399,164.04
  6. Step 6: Final answer
    x = 328,343.48

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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.