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Finding the Fourth Proportional to 416,789.50, 575,170.52 and 225,802.89

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Solution

The fourth proportional to 416,789.50, 575,170.52 and 225,802.89 is: 311,608.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,789.50 : 575,170.52 = 225,802.89 : x
  2. Step 2: Convert to fraction form
    416,789.50/575,170.52 = 225,802.89/x
  3. Step 3: Cross multiply
    416,789.50x = 575,170.52 × 225,802.89
  4. Step 4: Simplify right side
    416,789.50x = 129,875,165,799.93
  5. Step 5: Solve for x
    x = 129,875,165,799.93/416,789.50
  6. Step 6: Final answer
    x = 311,608.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.