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Finding the Fourth Proportional to 476,158.29, 657,109.22 and 261,311.96

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Solution

The fourth proportional to 476,158.29, 657,109.22 and 261,311.96 is: 360,616.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,158.29 : 657,109.22 = 261,311.96 : x
  2. Step 2: Convert to fraction form
    476,158.29/657,109.22 = 261,311.96/x
  3. Step 3: Cross multiply
    476,158.29x = 657,109.22 × 261,311.96
  4. Step 4: Simplify right side
    476,158.29x = 171,710,498,212.27
  5. Step 5: Solve for x
    x = 171,710,498,212.27/476,158.29
  6. Step 6: Final answer
    x = 360,616.42

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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.