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Finding the Fourth Proportional to 303,533.45, 418,876.79 and 167,567.59

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Solution

The fourth proportional to 303,533.45, 418,876.79 and 167,567.59 is: 231,243.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,533.45 : 418,876.79 = 167,567.59 : x
  2. Step 2: Convert to fraction form
    303,533.45/418,876.79 = 167,567.59/x
  3. Step 3: Cross multiply
    303,533.45x = 418,876.79 × 167,567.59
  4. Step 4: Simplify right side
    303,533.45x = 70,190,172,322.21
  5. Step 5: Solve for x
    x = 70,190,172,322.21/303,533.45
  6. Step 6: Final answer
    x = 231,243.62

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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.