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Finding the Fourth Proportional to 403,986.60, 566,631 and 403,986.60

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Solution

The fourth proportional to 403,986.60, 566,631 and 403,986.60 is: 566,631

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,986.60 : 566,631 = 403,986.60 : x
  2. Step 2: Convert to fraction form
    403,986.60/566,631 = 403,986.60/x
  3. Step 3: Cross multiply
    403,986.60x = 566,631 × 403,986.60
  4. Step 4: Simplify right side
    403,986.60x = 228,911,331,144.60
  5. Step 5: Solve for x
    x = 228,911,331,144.60/403,986.60
  6. Step 6: Final answer
    x = 566,631

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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.