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Finding the Fourth Proportional to 384,184.78, 577,539.24 and 356,440.12

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Solution

The fourth proportional to 384,184.78, 577,539.24 and 356,440.12 is: 535,831.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,184.78 : 577,539.24 = 356,440.12 : x
  2. Step 2: Convert to fraction form
    384,184.78/577,539.24 = 356,440.12/x
  3. Step 3: Cross multiply
    384,184.78x = 577,539.24 × 356,440.12
  4. Step 4: Simplify right side
    384,184.78x = 205,858,156,010.31
  5. Step 5: Solve for x
    x = 205,858,156,010.31/384,184.78
  6. Step 6: Final answer
    x = 535,831.11

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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.