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Finding the Fourth Proportional to 534,178, 737,165.28 and 292,460.50

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Solution

The fourth proportional to 534,178, 737,165.28 and 292,460.50 is: 403,595.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,178 : 737,165.28 = 292,460.50 : x
  2. Step 2: Convert to fraction form
    534,178/737,165.28 = 292,460.50/x
  3. Step 3: Cross multiply
    534,178x = 737,165.28 × 292,460.50
  4. Step 4: Simplify right side
    534,178x = 215,591,726,371.44
  5. Step 5: Solve for x
    x = 215,591,726,371.44/534,178
  6. Step 6: Final answer
    x = 403,595.29

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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.