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Finding the Fourth Proportional to 303,392.14, 418,678.23 and 167,427.34

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Solution

The fourth proportional to 303,392.14, 418,678.23 and 167,427.34 is: 231,048.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,392.14 : 418,678.23 = 167,427.34 : x
  2. Step 2: Convert to fraction form
    303,392.14/418,678.23 = 167,427.34/x
  3. Step 3: Cross multiply
    303,392.14x = 418,678.23 × 167,427.34
  4. Step 4: Simplify right side
    303,392.14x = 70,098,182,364.81
  5. Step 5: Solve for x
    x = 70,098,182,364.81/303,392.14
  6. Step 6: Final answer
    x = 231,048.12

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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.