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Finding the Fourth Proportional to 476,708.01, 657,861 and 261,852.96

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Solution

The fourth proportional to 476,708.01, 657,861 and 261,852.96 is: 361,359.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,708.01 : 657,861 = 261,852.96 : x
  2. Step 2: Convert to fraction form
    476,708.01/657,861 = 261,852.96/x
  3. Step 3: Cross multiply
    476,708.01x = 657,861 × 261,852.96
  4. Step 4: Simplify right side
    476,708.01x = 172,262,850,118.56
  5. Step 5: Solve for x
    x = 172,262,850,118.56/476,708.01
  6. Step 6: Final answer
    x = 361,359.25

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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.