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Finding the Fourth Proportional to 342,060.05, 472,211.22 and 214,805.81

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Solution

The fourth proportional to 342,060.05, 472,211.22 and 214,805.81 is: 296,537.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,060.05 : 472,211.22 = 214,805.81 : x
  2. Step 2: Convert to fraction form
    342,060.05/472,211.22 = 214,805.81/x
  3. Step 3: Cross multiply
    342,060.05x = 472,211.22 × 214,805.81
  4. Step 4: Simplify right side
    342,060.05x = 101,433,711,242.13
  5. Step 5: Solve for x
    x = 101,433,711,242.13/342,060.05
  6. Step 6: Final answer
    x = 296,537.74

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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.