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Finding the Fourth Proportional to 330,880.60, 495,932.10 and 141,340.60

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Solution

The fourth proportional to 330,880.60, 495,932.10 and 141,340.60 is: 211,844.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,880.60 : 495,932.10 = 141,340.60 : x
  2. Step 2: Convert to fraction form
    330,880.60/495,932.10 = 141,340.60/x
  3. Step 3: Cross multiply
    330,880.60x = 495,932.10 × 141,340.60
  4. Step 4: Simplify right side
    330,880.60x = 70,095,340,573.26
  5. Step 5: Solve for x
    x = 70,095,340,573.26/330,880.60
  6. Step 6: Final answer
    x = 211,844.82

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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.