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Finding the Fourth Proportional to 302,988.35, 418,123.78 and 167,024.52

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Solution

The fourth proportional to 302,988.35, 418,123.78 and 167,024.52 is: 230,493.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,988.35 : 418,123.78 = 167,024.52 : x
  2. Step 2: Convert to fraction form
    302,988.35/418,123.78 = 167,024.52/x
  3. Step 3: Cross multiply
    302,988.35x = 418,123.78 × 167,024.52
  4. Step 4: Simplify right side
    302,988.35x = 69,836,923,237.52
  5. Step 5: Solve for x
    x = 69,836,923,237.52/302,988.35
  6. Step 6: Final answer
    x = 230,493.76

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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.