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Finding the Fourth Proportional to 303,515.63, 418,830.07 and 167,527.76

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Solution

The fourth proportional to 303,515.63, 418,830.07 and 167,527.76 is: 231,176.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,515.63 : 418,830.07 = 167,527.76 : x
  2. Step 2: Convert to fraction form
    303,515.63/418,830.07 = 167,527.76/x
  3. Step 3: Cross multiply
    303,515.63x = 418,830.07 × 167,527.76
  4. Step 4: Simplify right side
    303,515.63x = 70,165,663,447.74
  5. Step 5: Solve for x
    x = 70,165,663,447.74/303,515.63
  6. Step 6: Final answer
    x = 231,176.44

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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.