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Finding the Fourth Proportional to 578,849.80, 868,404.30 and 223,832.20

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Solution

The fourth proportional to 578,849.80, 868,404.30 and 223,832.20 is: 335,798.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,849.80 : 868,404.30 = 223,832.20 : x
  2. Step 2: Convert to fraction form
    578,849.80/868,404.30 = 223,832.20/x
  3. Step 3: Cross multiply
    578,849.80x = 868,404.30 × 223,832.20
  4. Step 4: Simplify right side
    578,849.80x = 194,376,844,958.46
  5. Step 5: Solve for x
    x = 194,376,844,958.46/578,849.80
  6. Step 6: Final answer
    x = 335,798.41

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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.