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Finding the Fourth Proportional to 529,092.54, 729,747.63 and 367,866.90

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Solution

The fourth proportional to 529,092.54, 729,747.63 and 367,866.90 is: 507,378.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,092.54 : 729,747.63 = 367,866.90 : x
  2. Step 2: Convert to fraction form
    529,092.54/729,747.63 = 367,866.90/x
  3. Step 3: Cross multiply
    529,092.54x = 729,747.63 × 367,866.90
  4. Step 4: Simplify right side
    529,092.54x = 268,449,998,430.45
  5. Step 5: Solve for x
    x = 268,449,998,430.45/529,092.54
  6. Step 6: Final answer
    x = 507,378.16

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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.