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Finding the Fourth Proportional to 302,343.49, 417,251.24 and 173,303.42

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Solution

The fourth proportional to 302,343.49, 417,251.24 and 173,303.42 is: 239,168.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,343.49 : 417,251.24 = 173,303.42 : x
  2. Step 2: Convert to fraction form
    302,343.49/417,251.24 = 173,303.42/x
  3. Step 3: Cross multiply
    302,343.49x = 417,251.24 × 173,303.42
  4. Step 4: Simplify right side
    302,343.49x = 72,311,067,865.20
  5. Step 5: Solve for x
    x = 72,311,067,865.20/302,343.49
  6. Step 6: Final answer
    x = 239,168.60

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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.