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Finding the Fourth Proportional to 500,879.40, 751,353.87 and 201,360.13

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Solution

The fourth proportional to 500,879.40, 751,353.87 and 201,360.13 is: 302,054.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,879.40 : 751,353.87 = 201,360.13 : x
  2. Step 2: Convert to fraction form
    500,879.40/751,353.87 = 201,360.13/x
  3. Step 3: Cross multiply
    500,879.40x = 751,353.87 × 201,360.13
  4. Step 4: Simplify right side
    500,879.40x = 151,292,711,815.92
  5. Step 5: Solve for x
    x = 151,292,711,815.92/500,879.40
  6. Step 6: Final answer
    x = 302,054.17

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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.