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Finding the Fourth Proportional to 534,630.74, 737,790.40 and 292,922.48

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Solution

The fourth proportional to 534,630.74, 737,790.40 and 292,922.48 is: 404,233.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,630.74 : 737,790.40 = 292,922.48 : x
  2. Step 2: Convert to fraction form
    534,630.74/737,790.40 = 292,922.48/x
  3. Step 3: Cross multiply
    534,630.74x = 737,790.40 × 292,922.48
  4. Step 4: Simplify right side
    534,630.74x = 216,115,393,688.19
  5. Step 5: Solve for x
    x = 216,115,393,688.19/534,630.74
  6. Step 6: Final answer
    x = 404,233.01

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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.