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Finding the Fourth Proportional to 343,524.60, 474,066.79 and 190,572.82

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Solution

The fourth proportional to 343,524.60, 474,066.79 and 190,572.82 is: 262,992.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,524.60 : 474,066.79 = 190,572.82 : x
  2. Step 2: Convert to fraction form
    343,524.60/474,066.79 = 190,572.82/x
  3. Step 3: Cross multiply
    343,524.60x = 474,066.79 × 190,572.82
  4. Step 4: Simplify right side
    343,524.60x = 90,344,243,377.05
  5. Step 5: Solve for x
    x = 90,344,243,377.05/343,524.60
  6. Step 6: Final answer
    x = 262,992.06

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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.