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Finding the Fourth Proportional to 263,622.72, 363,799.44 and 144,390.72

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Solution

The fourth proportional to 263,622.72, 363,799.44 and 144,390.72 is: 199,259.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,622.72 : 363,799.44 = 144,390.72 : x
  2. Step 2: Convert to fraction form
    263,622.72/363,799.44 = 144,390.72/x
  3. Step 3: Cross multiply
    263,622.72x = 363,799.44 × 144,390.72
  4. Step 4: Simplify right side
    263,622.72x = 52,529,263,077.20
  5. Step 5: Solve for x
    x = 52,529,263,077.20/263,622.72
  6. Step 6: Final answer
    x = 199,259.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.