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Finding the Fourth Proportional to 352,392.66, 486,305.51 and 191,249.10

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Solution

The fourth proportional to 352,392.66, 486,305.51 and 191,249.10 is: 263,925.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,392.66 : 486,305.51 = 191,249.10 : x
  2. Step 2: Convert to fraction form
    352,392.66/486,305.51 = 191,249.10/x
  3. Step 3: Cross multiply
    352,392.66x = 486,305.51 × 191,249.10
  4. Step 4: Simplify right side
    352,392.66x = 93,005,490,156.30
  5. Step 5: Solve for x
    x = 93,005,490,156.30/352,392.66
  6. Step 6: Final answer
    x = 263,925.73

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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.