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Finding the Fourth Proportional to 546,744.80, 753,388 and 403,277.60

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Solution

The fourth proportional to 546,744.80, 753,388 and 403,277.60 is: 555,697.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,744.80 : 753,388 = 403,277.60 : x
  2. Step 2: Convert to fraction form
    546,744.80/753,388 = 403,277.60/x
  3. Step 3: Cross multiply
    546,744.80x = 753,388 × 403,277.60
  4. Step 4: Simplify right side
    546,744.80x = 303,824,504,508.80
  5. Step 5: Solve for x
    x = 303,824,504,508.80/546,744.80
  6. Step 6: Final answer
    x = 555,697.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.