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Finding the Fourth Proportional to 298,594.53, 447,889 and 121,059.33

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Solution

The fourth proportional to 298,594.53, 447,889 and 121,059.33 is: 181,587.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,594.53 : 447,889 = 121,059.33 : x
  2. Step 2: Convert to fraction form
    298,594.53/447,889 = 121,059.33/x
  3. Step 3: Cross multiply
    298,594.53x = 447,889 × 121,059.33
  4. Step 4: Simplify right side
    298,594.53x = 54,221,142,254.37
  5. Step 5: Solve for x
    x = 54,221,142,254.37/298,594.53
  6. Step 6: Final answer
    x = 181,587.86

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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.