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Finding the Fourth Proportional to 404,796.60, 607,194.90 and 124,327.80

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Solution

The fourth proportional to 404,796.60, 607,194.90 and 124,327.80 is: 186,491.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,796.60 : 607,194.90 = 124,327.80 : x
  2. Step 2: Convert to fraction form
    404,796.60/607,194.90 = 124,327.80/x
  3. Step 3: Cross multiply
    404,796.60x = 607,194.90 × 124,327.80
  4. Step 4: Simplify right side
    404,796.60x = 75,491,206,088.22
  5. Step 5: Solve for x
    x = 75,491,206,088.22/404,796.60
  6. Step 6: Final answer
    x = 186,491.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.