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Finding the Fourth Proportional to 395,451.95, 593,279.06 and 114,969.20

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Solution

The fourth proportional to 395,451.95, 593,279.06 and 114,969.20 is: 172,483.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,451.95 : 593,279.06 = 114,969.20 : x
  2. Step 2: Convert to fraction form
    395,451.95/593,279.06 = 114,969.20/x
  3. Step 3: Cross multiply
    395,451.95x = 593,279.06 × 114,969.20
  4. Step 4: Simplify right side
    395,451.95x = 68,208,815,363.71
  5. Step 5: Solve for x
    x = 68,208,815,363.71/395,451.95
  6. Step 6: Final answer
    x = 172,483.20

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1.5x scale

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.