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Finding the Fourth Proportional to 330,155.66, 495,254.56 and 93,516.60

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Solution

The fourth proportional to 330,155.66, 495,254.56 and 93,516.60 is: 140,280.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,155.66 : 495,254.56 = 93,516.60 : x
  2. Step 2: Convert to fraction form
    330,155.66/495,254.56 = 93,516.60/x
  3. Step 3: Cross multiply
    330,155.66x = 495,254.56 × 93,516.60
  4. Step 4: Simplify right side
    330,155.66x = 46,314,522,585.70
  5. Step 5: Solve for x
    x = 46,314,522,585.70/330,155.66
  6. Step 6: Final answer
    x = 140,280.87

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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.