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Finding the Fourth Proportional to 302,924.80, 418,019.16 and 166,958.34

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Solution

The fourth proportional to 302,924.80, 418,019.16 and 166,958.34 is: 230,393.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,924.80 : 418,019.16 = 166,958.34 : x
  2. Step 2: Convert to fraction form
    302,924.80/418,019.16 = 166,958.34/x
  3. Step 3: Cross multiply
    302,924.80x = 418,019.16 × 166,958.34
  4. Step 4: Simplify right side
    302,924.80x = 69,791,785,041.79
  5. Step 5: Solve for x
    x = 69,791,785,041.79/302,924.80
  6. Step 6: Final answer
    x = 230,393.10

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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.