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Finding the Fourth Proportional to 342,476.16, 472,591.44 and 191,544

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Solution

The fourth proportional to 342,476.16, 472,591.44 and 191,544 is: 264,316.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,476.16 : 472,591.44 = 191,544 : x
  2. Step 2: Convert to fraction form
    342,476.16/472,591.44 = 191,544/x
  3. Step 3: Cross multiply
    342,476.16x = 472,591.44 × 191,544
  4. Step 4: Simplify right side
    342,476.16x = 90,522,054,783.36
  5. Step 5: Solve for x
    x = 90,522,054,783.36/342,476.16
  6. Step 6: Final answer
    x = 264,316.37

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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.