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Finding the Fourth Proportional to 330,422.80, 495,653.08 and 93,746.80

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Solution

The fourth proportional to 330,422.80, 495,653.08 and 93,746.80 is: 140,625.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,422.80 : 495,653.08 = 93,746.80 : x
  2. Step 2: Convert to fraction form
    330,422.80/495,653.08 = 93,746.80/x
  3. Step 3: Cross multiply
    330,422.80x = 495,653.08 × 93,746.80
  4. Step 4: Simplify right side
    330,422.80x = 46,465,890,160.14
  5. Step 5: Solve for x
    x = 46,465,890,160.14/330,422.80
  6. Step 6: Final answer
    x = 140,625.56

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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.