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Finding the Fourth Proportional to 490,346.77, 735,562.47 and 135,360.83

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Solution

The fourth proportional to 490,346.77, 735,562.47 and 135,360.83 is: 203,052.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,346.77 : 735,562.47 = 135,360.83 : x
  2. Step 2: Convert to fraction form
    490,346.77/735,562.47 = 135,360.83/x
  3. Step 3: Cross multiply
    490,346.77x = 735,562.47 × 135,360.83
  4. Step 4: Simplify right side
    490,346.77x = 99,566,343,285.84
  5. Step 5: Solve for x
    x = 99,566,343,285.84/490,346.77
  6. Step 6: Final answer
    x = 203,052.92

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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.