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Finding the Fourth Proportional to 303,394.82, 418,693.36 and 167,437.34

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Solution

The fourth proportional to 303,394.82, 418,693.36 and 167,437.34 is: 231,068.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,394.82 : 418,693.36 = 167,437.34 : x
  2. Step 2: Convert to fraction form
    303,394.82/418,693.36 = 167,437.34/x
  3. Step 3: Cross multiply
    303,394.82x = 418,693.36 × 167,437.34
  4. Step 4: Simplify right side
    303,394.82x = 70,104,902,474.06
  5. Step 5: Solve for x
    x = 70,104,902,474.06/303,394.82
  6. Step 6: Final answer
    x = 231,068.22

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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.