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Finding the Fourth Proportional to 330,963.30, 496,276.47 and 162,496.26

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Solution

The fourth proportional to 330,963.30, 496,276.47 and 162,496.26 is: 243,661.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,963.30 : 496,276.47 = 162,496.26 : x
  2. Step 2: Convert to fraction form
    330,963.30/496,276.47 = 162,496.26/x
  3. Step 3: Cross multiply
    330,963.30x = 496,276.47 × 162,496.26
  4. Step 4: Simplify right side
    330,963.30x = 80,643,070,301.00
  5. Step 5: Solve for x
    x = 80,643,070,301.00/330,963.30
  6. Step 6: Final answer
    x = 243,661.67

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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.