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Finding the Fourth Proportional to 538,577.30, 807,865.95 and 164,551.70

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Solution

The fourth proportional to 538,577.30, 807,865.95 and 164,551.70 is: 246,827.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,577.30 : 807,865.95 = 164,551.70 : x
  2. Step 2: Convert to fraction form
    538,577.30/807,865.95 = 164,551.70/x
  3. Step 3: Cross multiply
    538,577.30x = 807,865.95 × 164,551.70
  4. Step 4: Simplify right side
    538,577.30x = 132,935,715,444.62
  5. Step 5: Solve for x
    x = 132,935,715,444.62/538,577.30
  6. Step 6: Final answer
    x = 246,827.55

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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.