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Finding the Fourth Proportional to 476,232.32, 657,179.52 and 261,372.80

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Solution

The fourth proportional to 476,232.32, 657,179.52 and 261,372.80 is: 360,682.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,232.32 : 657,179.52 = 261,372.80 : x
  2. Step 2: Convert to fraction form
    476,232.32/657,179.52 = 261,372.80/x
  3. Step 3: Cross multiply
    476,232.32x = 657,179.52 × 261,372.80
  4. Step 4: Simplify right side
    476,232.32x = 171,768,851,245.06
  5. Step 5: Solve for x
    x = 171,768,851,245.06/476,232.32
  6. Step 6: Final answer
    x = 360,682.89

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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.