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Finding the Fourth Proportional to 303,071.63, 454,607.45 and 168,218.48

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Solution

The fourth proportional to 303,071.63, 454,607.45 and 168,218.48 is: 252,327.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,071.63 : 454,607.45 = 168,218.48 : x
  2. Step 2: Convert to fraction form
    303,071.63/454,607.45 = 168,218.48/x
  3. Step 3: Cross multiply
    303,071.63x = 454,607.45 × 168,218.48
  4. Step 4: Simplify right side
    303,071.63x = 76,473,371,121.55
  5. Step 5: Solve for x
    x = 76,473,371,121.55/303,071.63
  6. Step 6: Final answer
    x = 252,327.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.