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Finding the Fourth Proportional to 534,627.74, 737,786.27 and 292,919.47

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Solution

The fourth proportional to 534,627.74, 737,786.27 and 292,919.47 is: 404,228.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,627.74 : 737,786.27 = 292,919.47 : x
  2. Step 2: Convert to fraction form
    534,627.74/737,786.27 = 292,919.47/x
  3. Step 3: Cross multiply
    534,627.74x = 737,786.27 × 292,919.47
  4. Step 4: Simplify right side
    534,627.74x = 216,111,958,028.15
  5. Step 5: Solve for x
    x = 216,111,958,028.15/534,627.74
  6. Step 6: Final answer
    x = 404,228.85

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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.