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Finding the Fourth Proportional to 617,944.60, 866,366.60 and 617,944.60

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Solution

The fourth proportional to 617,944.60, 866,366.60 and 617,944.60 is: 866,366.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,944.60 : 866,366.60 = 617,944.60 : x
  2. Step 2: Convert to fraction form
    617,944.60/866,366.60 = 617,944.60/x
  3. Step 3: Cross multiply
    617,944.60x = 866,366.60 × 617,944.60
  4. Step 4: Simplify right side
    617,944.60x = 535,366,562,090.36
  5. Step 5: Solve for x
    x = 535,366,562,090.36/617,944.60
  6. Step 6: Final answer
    x = 866,366.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.