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Finding the Fourth Proportional to 330,442.30, 495,662.53 and 93,785.21

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Solution

The fourth proportional to 330,442.30, 495,662.53 and 93,785.21 is: 140,677.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,442.30 : 495,662.53 = 93,785.21 : x
  2. Step 2: Convert to fraction form
    330,442.30/495,662.53 = 93,785.21/x
  3. Step 3: Cross multiply
    330,442.30x = 495,662.53 × 93,785.21
  4. Step 4: Simplify right side
    330,442.30x = 46,485,814,465.18
  5. Step 5: Solve for x
    x = 46,485,814,465.18/330,442.30
  6. Step 6: Final answer
    x = 140,677.55

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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.