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Finding the Fourth Proportional to 333,856.77, 500,803.40 and 84,540.93

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Solution

The fourth proportional to 333,856.77, 500,803.40 and 84,540.93 is: 126,816.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,856.77 : 500,803.40 = 84,540.93 : x
  2. Step 2: Convert to fraction form
    333,856.77/500,803.40 = 84,540.93/x
  3. Step 3: Cross multiply
    333,856.77x = 500,803.40 × 84,540.93
  4. Step 4: Simplify right side
    333,856.77x = 42,338,385,183.16
  5. Step 5: Solve for x
    x = 42,338,385,183.16/333,856.77
  6. Step 6: Final answer
    x = 126,816.02

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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.