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Finding the Fourth Proportional to 304,239.33, 419,844.15 and 168,279.03

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Solution

The fourth proportional to 304,239.33, 419,844.15 and 168,279.03 is: 232,221.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,239.33 : 419,844.15 = 168,279.03 : x
  2. Step 2: Convert to fraction form
    304,239.33/419,844.15 = 168,279.03/x
  3. Step 3: Cross multiply
    304,239.33x = 419,844.15 × 168,279.03
  4. Step 4: Simplify right side
    304,239.33x = 70,650,966,313.17
  5. Step 5: Solve for x
    x = 70,650,966,313.17/304,239.33
  6. Step 6: Final answer
    x = 232,221.67

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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.