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Finding the Fourth Proportional to 407,577.57, 611,365.95 and 267,303.39

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Solution

The fourth proportional to 407,577.57, 611,365.95 and 267,303.39 is: 400,954.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,577.57 : 611,365.95 = 267,303.39 : x
  2. Step 2: Convert to fraction form
    407,577.57/611,365.95 = 267,303.39/x
  3. Step 3: Cross multiply
    407,577.57x = 611,365.95 × 267,303.39
  4. Step 4: Simplify right side
    407,577.57x = 163,420,190,965.57
  5. Step 5: Solve for x
    x = 163,420,190,965.57/407,577.57
  6. Step 6: Final answer
    x = 400,954.82

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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.