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Finding the Fourth Proportional to 360,305.01, 497,222.91 and 196,961.76

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Solution

The fourth proportional to 360,305.01, 497,222.91 and 196,961.76 is: 271,808.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,305.01 : 497,222.91 = 196,961.76 : x
  2. Step 2: Convert to fraction form
    360,305.01/497,222.91 = 196,961.76/x
  3. Step 3: Cross multiply
    360,305.01x = 497,222.91 × 196,961.76
  4. Step 4: Simplify right side
    360,305.01x = 97,933,899,465.92
  5. Step 5: Solve for x
    x = 97,933,899,465.92/360,305.01
  6. Step 6: Final answer
    x = 271,808.32

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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.