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Finding the Fourth Proportional to 737,561.60, 1,106,342.40 and 513,612.80

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Solution

The fourth proportional to 737,561.60, 1,106,342.40 and 513,612.80 is: 770,419.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,561.60 : 1,106,342.40 = 513,612.80 : x
  2. Step 2: Convert to fraction form
    737,561.60/1,106,342.40 = 513,612.80/x
  3. Step 3: Cross multiply
    737,561.60x = 1,106,342.40 × 513,612.80
  4. Step 4: Simplify right side
    737,561.60x = 568,231,617,822.72
  5. Step 5: Solve for x
    x = 568,231,617,822.72/737,561.60
  6. Step 6: Final answer
    x = 770,419.20

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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.