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Finding the Fourth Proportional to 353,522.37, 487,859.95 and 192,377.38

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Solution

The fourth proportional to 353,522.37, 487,859.95 and 192,377.38 is: 265,480.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,522.37 : 487,859.95 = 192,377.38 : x
  2. Step 2: Convert to fraction form
    353,522.37/487,859.95 = 192,377.38/x
  3. Step 3: Cross multiply
    353,522.37x = 487,859.95 × 192,377.38
  4. Step 4: Simplify right side
    353,522.37x = 93,853,218,987.93
  5. Step 5: Solve for x
    x = 93,853,218,987.93/353,522.37
  6. Step 6: Final answer
    x = 265,480.28

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1.5x scale

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.