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Finding the Fourth Proportional to 302,573.71, 417,554.81 and 166,620.30

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Solution

The fourth proportional to 302,573.71, 417,554.81 and 166,620.30 is: 229,937.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,573.71 : 417,554.81 = 166,620.30 : x
  2. Step 2: Convert to fraction form
    302,573.71/417,554.81 = 166,620.30/x
  3. Step 3: Cross multiply
    302,573.71x = 417,554.81 × 166,620.30
  4. Step 4: Simplify right side
    302,573.71x = 69,573,107,708.64
  5. Step 5: Solve for x
    x = 69,573,107,708.64/302,573.71
  6. Step 6: Final answer
    x = 229,937.72

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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.