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Finding the Fourth Proportional to 333,005.90, 498,524.70 and 220,812.80

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Solution

The fourth proportional to 333,005.90, 498,524.70 and 220,812.80 is: 330,566.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,005.90 : 498,524.70 = 220,812.80 : x
  2. Step 2: Convert to fraction form
    333,005.90/498,524.70 = 220,812.80/x
  3. Step 3: Cross multiply
    333,005.90x = 498,524.70 × 220,812.80
  4. Step 4: Simplify right side
    333,005.90x = 110,080,634,876.16
  5. Step 5: Solve for x
    x = 110,080,634,876.16/333,005.90
  6. Step 6: Final answer
    x = 330,566.62

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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.