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Finding the Fourth Proportional to 330,022, 495,241.24 and 140,482.08

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Solution

The fourth proportional to 330,022, 495,241.24 and 140,482.08 is: 210,811.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,022 : 495,241.24 = 140,482.08 : x
  2. Step 2: Convert to fraction form
    330,022/495,241.24 = 140,482.08/x
  3. Step 3: Cross multiply
    330,022x = 495,241.24 × 140,482.08
  4. Step 4: Simplify right side
    330,022x = 69,572,519,496.98
  5. Step 5: Solve for x
    x = 69,572,519,496.98/330,022
  6. Step 6: Final answer
    x = 210,811.76

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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.