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Finding the Fourth Proportional to 345,175.70, 475,934.85 and 236,332.80

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Solution

The fourth proportional to 345,175.70, 475,934.85 and 236,332.80 is: 325,860.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,175.70 : 475,934.85 = 236,332.80 : x
  2. Step 2: Convert to fraction form
    345,175.70/475,934.85 = 236,332.80/x
  3. Step 3: Cross multiply
    345,175.70x = 475,934.85 × 236,332.80
  4. Step 4: Simplify right side
    345,175.70x = 112,479,015,718.08
  5. Step 5: Solve for x
    x = 112,479,015,718.08/345,175.70
  6. Step 6: Final answer
    x = 325,860.18

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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.