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Finding the Fourth Proportional to 322,933.32, 484,424.82 and 98,313.03

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Solution

The fourth proportional to 322,933.32, 484,424.82 and 98,313.03 is: 147,477.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,933.32 : 484,424.82 = 98,313.03 : x
  2. Step 2: Convert to fraction form
    322,933.32/484,424.82 = 98,313.03/x
  3. Step 3: Cross multiply
    322,933.32x = 484,424.82 × 98,313.03
  4. Step 4: Simplify right side
    322,933.32x = 47,625,271,861.40
  5. Step 5: Solve for x
    x = 47,625,271,861.40/322,933.32
  6. Step 6: Final answer
    x = 147,477.11

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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.