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Finding the Fourth Proportional to 644,354.46, 888,850.80 and 598,739.04

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Solution

The fourth proportional to 644,354.46, 888,850.80 and 598,739.04 is: 825,926.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,354.46 : 888,850.80 = 598,739.04 : x
  2. Step 2: Convert to fraction form
    644,354.46/888,850.80 = 598,739.04/x
  3. Step 3: Cross multiply
    644,354.46x = 888,850.80 × 598,739.04
  4. Step 4: Simplify right side
    644,354.46x = 532,189,674,695.23
  5. Step 5: Solve for x
    x = 532,189,674,695.23/644,354.46
  6. Step 6: Final answer
    x = 825,926.89

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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.