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Finding the Fourth Proportional to 265,561.84, 366,941.40 and 212,286.52

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Solution

The fourth proportional to 265,561.84, 366,941.40 and 212,286.52 is: 293,327.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,561.84 : 366,941.40 = 212,286.52 : x
  2. Step 2: Convert to fraction form
    265,561.84/366,941.40 = 212,286.52/x
  3. Step 3: Cross multiply
    265,561.84x = 366,941.40 × 212,286.52
  4. Step 4: Simplify right side
    265,561.84x = 77,896,712,849.93
  5. Step 5: Solve for x
    x = 77,896,712,849.93/265,561.84
  6. Step 6: Final answer
    x = 293,327.96

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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.