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Finding the Fourth Proportional to 368,677.80, 552,692.70 and 249,964.20

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Solution

The fourth proportional to 368,677.80, 552,692.70 and 249,964.20 is: 374,726.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,677.80 : 552,692.70 = 249,964.20 : x
  2. Step 2: Convert to fraction form
    368,677.80/552,692.70 = 249,964.20/x
  3. Step 3: Cross multiply
    368,677.80x = 552,692.70 × 249,964.20
  4. Step 4: Simplify right side
    368,677.80x = 138,153,388,601.34
  5. Step 5: Solve for x
    x = 138,153,388,601.34/368,677.80
  6. Step 6: Final answer
    x = 374,726.63

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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.