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Finding the Fourth Proportional to 386,114.01, 532,837.49 and 235,211.01

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Solution

The fourth proportional to 386,114.01, 532,837.49 and 235,211.01 is: 324,591.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,114.01 : 532,837.49 = 235,211.01 : x
  2. Step 2: Convert to fraction form
    386,114.01/532,837.49 = 235,211.01/x
  3. Step 3: Cross multiply
    386,114.01x = 532,837.49 × 235,211.01
  4. Step 4: Simplify right side
    386,114.01x = 125,329,243,012.71
  5. Step 5: Solve for x
    x = 125,329,243,012.71/386,114.01
  6. Step 6: Final answer
    x = 324,591.29

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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.