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Finding the Fourth Proportional to 328,334.77, 492,502.24 and 79,016.77

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Solution

The fourth proportional to 328,334.77, 492,502.24 and 79,016.77 is: 118,525.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,334.77 : 492,502.24 = 79,016.77 : x
  2. Step 2: Convert to fraction form
    328,334.77/492,502.24 = 79,016.77/x
  3. Step 3: Cross multiply
    328,334.77x = 492,502.24 × 79,016.77
  4. Step 4: Simplify right side
    328,334.77x = 38,915,933,760.05
  5. Step 5: Solve for x
    x = 38,915,933,760.05/328,334.77
  6. Step 6: Final answer
    x = 118,525.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.