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Finding the Fourth Proportional to 343,592.16, 474,156.72 and 192,687.84

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Solution

The fourth proportional to 343,592.16, 474,156.72 and 192,687.84 is: 265,908.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,592.16 : 474,156.72 = 192,687.84 : x
  2. Step 2: Convert to fraction form
    343,592.16/474,156.72 = 192,687.84/x
  3. Step 3: Cross multiply
    343,592.16x = 474,156.72 × 192,687.84
  4. Step 4: Simplify right side
    343,592.16x = 91,364,234,198.28
  5. Step 5: Solve for x
    x = 91,364,234,198.28/343,592.16
  6. Step 6: Final answer
    x = 265,908.96

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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.