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Finding the Fourth Proportional to 537,221.16, 741,383.28 and 295,513.92

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Solution

The fourth proportional to 537,221.16, 741,383.28 and 295,513.92 is: 407,819.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,221.16 : 741,383.28 = 295,513.92 : x
  2. Step 2: Convert to fraction form
    537,221.16/741,383.28 = 295,513.92/x
  3. Step 3: Cross multiply
    537,221.16x = 741,383.28 × 295,513.92
  4. Step 4: Simplify right side
    537,221.16x = 219,089,079,295.26
  5. Step 5: Solve for x
    x = 219,089,079,295.26/537,221.16
  6. Step 6: Final answer
    x = 407,819.15

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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.