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Finding the Fourth Proportional to 330,219.70, 495,329.55 and 93,559.30

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Solution

The fourth proportional to 330,219.70, 495,329.55 and 93,559.30 is: 140,338.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,219.70 : 495,329.55 = 93,559.30 : x
  2. Step 2: Convert to fraction form
    330,219.70/495,329.55 = 93,559.30/x
  3. Step 3: Cross multiply
    330,219.70x = 495,329.55 × 93,559.30
  4. Step 4: Simplify right side
    330,219.70x = 46,342,685,967.32
  5. Step 5: Solve for x
    x = 46,342,685,967.32/330,219.70
  6. Step 6: Final answer
    x = 140,338.95

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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.