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Finding the Fourth Proportional to 417,693.44, 576,417.58 and 226,706.90

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Solution

The fourth proportional to 417,693.44, 576,417.58 and 226,706.90 is: 312,855.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,693.44 : 576,417.58 = 226,706.90 : x
  2. Step 2: Convert to fraction form
    417,693.44/576,417.58 = 226,706.90/x
  3. Step 3: Cross multiply
    417,693.44x = 576,417.58 × 226,706.90
  4. Step 4: Simplify right side
    417,693.44x = 130,677,842,667.30
  5. Step 5: Solve for x
    x = 130,677,842,667.30/417,693.44
  6. Step 6: Final answer
    x = 312,855.87

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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.