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Finding the Fourth Proportional to 363,341, 545,150.22 and 141,742.28

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Solution

The fourth proportional to 363,341, 545,150.22 and 141,742.28 is: 212,667.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,341 : 545,150.22 = 141,742.28 : x
  2. Step 2: Convert to fraction form
    363,341/545,150.22 = 141,742.28/x
  3. Step 3: Cross multiply
    363,341x = 545,150.22 × 141,742.28
  4. Step 4: Simplify right side
    363,341x = 77,270,835,125.30
  5. Step 5: Solve for x
    x = 77,270,835,125.30/363,341
  6. Step 6: Final answer
    x = 212,667.54

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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.