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Finding the Fourth Proportional to 343,382.82, 473,866.80 and 192,479.82

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Solution

The fourth proportional to 343,382.82, 473,866.80 and 192,479.82 is: 265,621.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,382.82 : 473,866.80 = 192,479.82 : x
  2. Step 2: Convert to fraction form
    343,382.82/473,866.80 = 192,479.82/x
  3. Step 3: Cross multiply
    343,382.82x = 473,866.80 × 192,479.82
  4. Step 4: Simplify right side
    343,382.82x = 91,209,796,367.98
  5. Step 5: Solve for x
    x = 91,209,796,367.98/343,382.82
  6. Step 6: Final answer
    x = 265,621.32

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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.