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Finding the Fourth Proportional to 333,085.20, 499,627.80 and 220,892.10

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Solution

The fourth proportional to 333,085.20, 499,627.80 and 220,892.10 is: 331,338.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,085.20 : 499,627.80 = 220,892.10 : x
  2. Step 2: Convert to fraction form
    333,085.20/499,627.80 = 220,892.10/x
  3. Step 3: Cross multiply
    333,085.20x = 499,627.80 × 220,892.10
  4. Step 4: Simplify right side
    333,085.20x = 110,363,833,960.38
  5. Step 5: Solve for x
    x = 110,363,833,960.38/333,085.20
  6. Step 6: Final answer
    x = 331,338.15

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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.