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Finding the Fourth Proportional to 649,194.20, 973,013.70 and 333,488.60

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Solution

The fourth proportional to 649,194.20, 973,013.70 and 333,488.60 is: 499,833.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,194.20 : 973,013.70 = 333,488.60 : x
  2. Step 2: Convert to fraction form
    649,194.20/973,013.70 = 333,488.60/x
  3. Step 3: Cross multiply
    649,194.20x = 973,013.70 × 333,488.60
  4. Step 4: Simplify right side
    649,194.20x = 324,488,976,593.82
  5. Step 5: Solve for x
    x = 324,488,976,593.82/649,194.20
  6. Step 6: Final answer
    x = 499,833.45

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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.