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Finding the Fourth Proportional to 356,316.20, 533,859.90 and 168,924.20

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Solution

The fourth proportional to 356,316.20, 533,859.90 and 168,924.20 is: 253,095.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,316.20 : 533,859.90 = 168,924.20 : x
  2. Step 2: Convert to fraction form
    356,316.20/533,859.90 = 168,924.20/x
  3. Step 3: Cross multiply
    356,316.20x = 533,859.90 × 168,924.20
  4. Step 4: Simplify right side
    356,316.20x = 90,181,856,519.58
  5. Step 5: Solve for x
    x = 90,181,856,519.58/356,316.20
  6. Step 6: Final answer
    x = 253,095.02

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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.