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Finding the Fourth Proportional to 342,599.17, 472,474.47 and 294,185.89

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Solution

The fourth proportional to 342,599.17, 472,474.47 and 294,185.89 is: 405,708.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,599.17 : 472,474.47 = 294,185.89 : x
  2. Step 2: Convert to fraction form
    342,599.17/472,474.47 = 294,185.89/x
  3. Step 3: Cross multiply
    342,599.17x = 472,474.47 × 294,185.89
  4. Step 4: Simplify right side
    342,599.17x = 138,995,322,459.23
  5. Step 5: Solve for x
    x = 138,995,322,459.23/342,599.17
  6. Step 6: Final answer
    x = 405,708.29

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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.