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Finding the Fourth Proportional to 395,328.66, 593,050.77 and 114,809.46

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Solution

The fourth proportional to 395,328.66, 593,050.77 and 114,809.46 is: 172,230.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,328.66 : 593,050.77 = 114,809.46 : x
  2. Step 2: Convert to fraction form
    395,328.66/593,050.77 = 114,809.46/x
  3. Step 3: Cross multiply
    395,328.66x = 593,050.77 × 114,809.46
  4. Step 4: Simplify right side
    395,328.66x = 68,087,838,656.28
  5. Step 5: Solve for x
    x = 68,087,838,656.28/395,328.66
  6. Step 6: Final answer
    x = 172,230.97

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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.