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Finding the Fourth Proportional to 330,209.70, 495,314.55 and 93,549.30

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Solution

The fourth proportional to 330,209.70, 495,314.55 and 93,549.30 is: 140,323.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,209.70 : 495,314.55 = 93,549.30 : x
  2. Step 2: Convert to fraction form
    330,209.70/495,314.55 = 93,549.30/x
  3. Step 3: Cross multiply
    330,209.70x = 495,314.55 × 93,549.30
  4. Step 4: Simplify right side
    330,209.70x = 46,336,329,432.32
  5. Step 5: Solve for x
    x = 46,336,329,432.32/330,209.70
  6. Step 6: Final answer
    x = 140,323.95

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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.