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Finding the Fourth Proportional to 302,544.64, 417,521.55 and 166,588.57

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Solution

The fourth proportional to 302,544.64, 417,521.55 and 166,588.57 is: 229,897.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,544.64 : 417,521.55 = 166,588.57 : x
  2. Step 2: Convert to fraction form
    302,544.64/417,521.55 = 166,588.57/x
  3. Step 3: Cross multiply
    302,544.64x = 417,521.55 × 166,588.57
  4. Step 4: Simplify right side
    302,544.64x = 69,554,317,958.68
  5. Step 5: Solve for x
    x = 69,554,317,958.68/302,544.64
  6. Step 6: Final answer
    x = 229,897.70

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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.