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Finding the Fourth Proportional to 333,105.92, 499,308.96 and 122,609.60

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Solution

The fourth proportional to 333,105.92, 499,308.96 and 122,609.60 is: 183,785.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,105.92 : 499,308.96 = 122,609.60 : x
  2. Step 2: Convert to fraction form
    333,105.92/499,308.96 = 122,609.60/x
  3. Step 3: Cross multiply
    333,105.92x = 499,308.96 × 122,609.60
  4. Step 4: Simplify right side
    333,105.92x = 61,220,071,862.02
  5. Step 5: Solve for x
    x = 61,220,071,862.02/333,105.92
  6. Step 6: Final answer
    x = 183,785.60

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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.