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Finding the Fourth Proportional to 330,399, 495,596.88 and 93,742.11

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Solution

The fourth proportional to 330,399, 495,596.88 and 93,742.11 is: 140,612.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,399 : 495,596.88 = 93,742.11 : x
  2. Step 2: Convert to fraction form
    330,399/495,596.88 = 93,742.11/x
  3. Step 3: Cross multiply
    330,399x = 495,596.88 × 93,742.11
  4. Step 4: Simplify right side
    330,399x = 46,458,297,240.62
  5. Step 5: Solve for x
    x = 46,458,297,240.62/330,399
  6. Step 6: Final answer
    x = 140,612.71

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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.