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Finding the Fourth Proportional to 476,077.08, 656,992.44 and 261,213.24

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Solution

The fourth proportional to 476,077.08, 656,992.44 and 261,213.24 is: 360,477.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,077.08 : 656,992.44 = 261,213.24 : x
  2. Step 2: Convert to fraction form
    476,077.08/656,992.44 = 261,213.24/x
  3. Step 3: Cross multiply
    476,077.08x = 656,992.44 × 261,213.24
  4. Step 4: Simplify right side
    476,077.08x = 171,615,123,907.91
  5. Step 5: Solve for x
    x = 171,615,123,907.91/476,077.08
  6. Step 6: Final answer
    x = 360,477.60

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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.