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Finding the Fourth Proportional to 265,777.35, 398,222.22 and 186,750.11

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Solution

The fourth proportional to 265,777.35, 398,222.22 and 186,750.11 is: 279,813.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,777.35 : 398,222.22 = 186,750.11 : x
  2. Step 2: Convert to fraction form
    265,777.35/398,222.22 = 186,750.11/x
  3. Step 3: Cross multiply
    265,777.35x = 398,222.22 × 186,750.11
  4. Step 4: Simplify right side
    265,777.35x = 74,368,041,398.33
  5. Step 5: Solve for x
    x = 74,368,041,398.33/265,777.35
  6. Step 6: Final answer
    x = 279,813.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.