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Finding the Fourth Proportional to 817,305.60, 1,223,625.60 and 793,977.60

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Solution

The fourth proportional to 817,305.60, 1,223,625.60 and 793,977.60 is: 1,188,700.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,305.60 : 1,223,625.60 = 793,977.60 : x
  2. Step 2: Convert to fraction form
    817,305.60/1,223,625.60 = 793,977.60/x
  3. Step 3: Cross multiply
    817,305.60x = 1,223,625.60 × 793,977.60
  4. Step 4: Simplify right side
    817,305.60x = 971,531,317,186.56
  5. Step 5: Solve for x
    x = 971,531,317,186.56/817,305.60
  6. Step 6: Final answer
    x = 1,188,700.18

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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.