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Finding the Fourth Proportional to 333,768.06, 500,647.38 and 81,050.46

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Solution

The fourth proportional to 333,768.06, 500,647.38 and 81,050.46 is: 121,574.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,768.06 : 500,647.38 = 81,050.46 : x
  2. Step 2: Convert to fraction form
    333,768.06/500,647.38 = 81,050.46/x
  3. Step 3: Cross multiply
    333,768.06x = 500,647.38 × 81,050.46
  4. Step 4: Simplify right side
    333,768.06x = 40,577,700,446.79
  5. Step 5: Solve for x
    x = 40,577,700,446.79/333,768.06
  6. Step 6: Final answer
    x = 121,574.55

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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.