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Finding the Fourth Proportional to 737,716.60, 1,105,883.70 and 577,703.80

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Solution

The fourth proportional to 737,716.60, 1,105,883.70 and 577,703.80 is: 866,014.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,716.60 : 1,105,883.70 = 577,703.80 : x
  2. Step 2: Convert to fraction form
    737,716.60/1,105,883.70 = 577,703.80/x
  3. Step 3: Cross multiply
    737,716.60x = 1,105,883.70 × 577,703.80
  4. Step 4: Simplify right side
    737,716.60x = 638,873,215,848.06
  5. Step 5: Solve for x
    x = 638,873,215,848.06/737,716.60
  6. Step 6: Final answer
    x = 866,014.42

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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.