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Finding the Fourth Proportional to 609,036.74, 913,550.06 and 476,028.80

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Solution

The fourth proportional to 609,036.74, 913,550.06 and 476,028.80 is: 714,039.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,036.74 : 913,550.06 = 476,028.80 : x
  2. Step 2: Convert to fraction form
    609,036.74/913,550.06 = 476,028.80/x
  3. Step 3: Cross multiply
    609,036.74x = 913,550.06 × 476,028.80
  4. Step 4: Simplify right side
    609,036.74x = 434,876,131,853.83
  5. Step 5: Solve for x
    x = 434,876,131,853.83/609,036.74
  6. Step 6: Final answer
    x = 714,039.25

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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.