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Finding the Fourth Proportional to 299,698.23, 413,591.66 and 178,909.60

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Solution

The fourth proportional to 299,698.23, 413,591.66 and 178,909.60 is: 246,900.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,698.23 : 413,591.66 = 178,909.60 : x
  2. Step 2: Convert to fraction form
    299,698.23/413,591.66 = 178,909.60/x
  3. Step 3: Cross multiply
    299,698.23x = 413,591.66 × 178,909.60
  4. Step 4: Simplify right side
    299,698.23x = 73,995,518,453.94
  5. Step 5: Solve for x
    x = 73,995,518,453.94/299,698.23
  6. Step 6: Final answer
    x = 246,900.08

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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.