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Finding the Fourth Proportional to 333,998.60, 502,164.30 and 327,000.20

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Solution

The fourth proportional to 333,998.60, 502,164.30 and 327,000.20 is: 491,642.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,998.60 : 502,164.30 = 327,000.20 : x
  2. Step 2: Convert to fraction form
    333,998.60/502,164.30 = 327,000.20/x
  3. Step 3: Cross multiply
    333,998.60x = 502,164.30 × 327,000.20
  4. Step 4: Simplify right side
    333,998.60x = 164,207,826,532.86
  5. Step 5: Solve for x
    x = 164,207,826,532.86/333,998.60
  6. Step 6: Final answer
    x = 491,642.26

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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.