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Finding the Fourth Proportional to 330,487.75, 495,730.41 and 93,830.46

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Solution

The fourth proportional to 330,487.75, 495,730.41 and 93,830.46 is: 140,745.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,487.75 : 495,730.41 = 93,830.46 : x
  2. Step 2: Convert to fraction form
    330,487.75/495,730.41 = 93,830.46/x
  3. Step 3: Cross multiply
    330,487.75x = 495,730.41 × 93,830.46
  4. Step 4: Simplify right side
    330,487.75x = 46,514,612,406.29
  5. Step 5: Solve for x
    x = 46,514,612,406.29/330,487.75
  6. Step 6: Final answer
    x = 140,745.35

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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.