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Finding the Fourth Proportional to 330,140.00, 495,144.39 and 161,587.91

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Solution

The fourth proportional to 330,140.00, 495,144.39 and 161,587.91 is: 242,349.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,140.00 : 495,144.39 = 161,587.91 : x
  2. Step 2: Convert to fraction form
    330,140.00/495,144.39 = 161,587.91/x
  3. Step 3: Cross multiply
    330,140.00x = 495,144.39 × 161,587.91
  4. Step 4: Simplify right side
    330,140.00x = 80,009,348,972.14
  5. Step 5: Solve for x
    x = 80,009,348,972.14/330,140.00
  6. Step 6: Final answer
    x = 242,349.76

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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.