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Finding the Fourth Proportional to 333,308.24, 499,965.60 and 83,990.24

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Solution

The fourth proportional to 333,308.24, 499,965.60 and 83,990.24 is: 125,986.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,308.24 : 499,965.60 = 83,990.24 : x
  2. Step 2: Convert to fraction form
    333,308.24/499,965.60 = 83,990.24/x
  3. Step 3: Cross multiply
    333,308.24x = 499,965.60 × 83,990.24
  4. Step 4: Simplify right side
    333,308.24x = 41,992,230,735.74
  5. Step 5: Solve for x
    x = 41,992,230,735.74/333,308.24
  6. Step 6: Final answer
    x = 125,986.18

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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.