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Finding the Fourth Proportional to 352,444.32, 486,373.50 and 191,299.32

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Solution

The fourth proportional to 352,444.32, 486,373.50 and 191,299.32 is: 263,993.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,444.32 : 486,373.50 = 191,299.32 : x
  2. Step 2: Convert to fraction form
    352,444.32/486,373.50 = 191,299.32/x
  3. Step 3: Cross multiply
    352,444.32x = 486,373.50 × 191,299.32
  4. Step 4: Simplify right side
    352,444.32x = 93,042,919,816.02
  5. Step 5: Solve for x
    x = 93,042,919,816.02/352,444.32
  6. Step 6: Final answer
    x = 263,993.25

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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.