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Finding the Fourth Proportional to 450,857.49, 676,331.40 and 166,622.76

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Solution

The fourth proportional to 450,857.49, 676,331.40 and 166,622.76 is: 249,950.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,857.49 : 676,331.40 = 166,622.76 : x
  2. Step 2: Convert to fraction form
    450,857.49/676,331.40 = 166,622.76/x
  3. Step 3: Cross multiply
    450,857.49x = 676,331.40 × 166,622.76
  4. Step 4: Simplify right side
    450,857.49x = 112,692,200,327.89
  5. Step 5: Solve for x
    x = 112,692,200,327.89/450,857.49
  6. Step 6: Final answer
    x = 249,950.82

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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.