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Finding the Fourth Proportional to 303,294.39, 418,471.52 and 185,391.57

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Solution

The fourth proportional to 303,294.39, 418,471.52 and 185,391.57 is: 255,794.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,294.39 : 418,471.52 = 185,391.57 : x
  2. Step 2: Convert to fraction form
    303,294.39/418,471.52 = 185,391.57/x
  3. Step 3: Cross multiply
    303,294.39x = 418,471.52 × 185,391.57
  4. Step 4: Simplify right side
    303,294.39x = 77,581,090,381.49
  5. Step 5: Solve for x
    x = 77,581,090,381.49/303,294.39
  6. Step 6: Final answer
    x = 255,794.67

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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.