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Finding the Fourth Proportional to 303,325.47, 418,587.90 and 167,367.87

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Solution

The fourth proportional to 303,325.47, 418,587.90 and 167,367.87 is: 230,966.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,325.47 : 418,587.90 = 167,367.87 : x
  2. Step 2: Convert to fraction form
    303,325.47/418,587.90 = 167,367.87/x
  3. Step 3: Cross multiply
    303,325.47x = 418,587.90 × 167,367.87
  4. Step 4: Simplify right side
    303,325.47x = 70,058,165,230.77
  5. Step 5: Solve for x
    x = 70,058,165,230.77/303,325.47
  6. Step 6: Final answer
    x = 230,966.97

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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.