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Finding the Fourth Proportional to 606,739.40, 910,800.30 and 357,561.80

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Solution

The fourth proportional to 606,739.40, 910,800.30 and 357,561.80 is: 536,750.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,739.40 : 910,800.30 = 357,561.80 : x
  2. Step 2: Convert to fraction form
    606,739.40/910,800.30 = 357,561.80/x
  3. Step 3: Cross multiply
    606,739.40x = 910,800.30 × 357,561.80
  4. Step 4: Simplify right side
    606,739.40x = 325,667,394,708.54
  5. Step 5: Solve for x
    x = 325,667,394,708.54/606,739.40
  6. Step 6: Final answer
    x = 536,750.04

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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.