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Finding the Fourth Proportional to 578,950.74, 798,942.69 and 324,301.14

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Solution

The fourth proportional to 578,950.74, 798,942.69 and 324,301.14 is: 447,530.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,950.74 : 798,942.69 = 324,301.14 : x
  2. Step 2: Convert to fraction form
    578,950.74/798,942.69 = 324,301.14/x
  3. Step 3: Cross multiply
    578,950.74x = 798,942.69 × 324,301.14
  4. Step 4: Simplify right side
    578,950.74x = 259,098,025,161.67
  5. Step 5: Solve for x
    x = 259,098,025,161.67/578,950.74
  6. Step 6: Final answer
    x = 447,530.35

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.