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Finding the Fourth Proportional to 576,135.60, 804,723.60 and 576,135.60

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Solution

The fourth proportional to 576,135.60, 804,723.60 and 576,135.60 is: 804,723.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,135.60 : 804,723.60 = 576,135.60 : x
  2. Step 2: Convert to fraction form
    576,135.60/804,723.60 = 576,135.60/x
  3. Step 3: Cross multiply
    576,135.60x = 804,723.60 × 576,135.60
  4. Step 4: Simplify right side
    576,135.60x = 463,629,914,120.16
  5. Step 5: Solve for x
    x = 463,629,914,120.16/576,135.60
  6. Step 6: Final answer
    x = 804,723.60

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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.