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Finding the Fourth Proportional to 303,302.52, 418,561.74 and 167,342.40

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Solution

The fourth proportional to 303,302.52, 418,561.74 and 167,342.40 is: 230,934.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,302.52 : 418,561.74 = 167,342.40 : x
  2. Step 2: Convert to fraction form
    303,302.52/418,561.74 = 167,342.40/x
  3. Step 3: Cross multiply
    303,302.52x = 418,561.74 × 167,342.40
  4. Step 4: Simplify right side
    303,302.52x = 70,043,126,119.78
  5. Step 5: Solve for x
    x = 70,043,126,119.78/303,302.52
  6. Step 6: Final answer
    x = 230,934.86

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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.