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Finding the Fourth Proportional to 534,215.21, 737,216.86 and 292,497.72

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Solution

The fourth proportional to 534,215.21, 737,216.86 and 292,497.72 is: 403,646.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,215.21 : 737,216.86 = 292,497.72 : x
  2. Step 2: Convert to fraction form
    534,215.21/737,216.86 = 292,497.72/x
  3. Step 3: Cross multiply
    534,215.21x = 737,216.86 × 292,497.72
  4. Step 4: Simplify right side
    534,215.21x = 215,634,248,121.27
  5. Step 5: Solve for x
    x = 215,634,248,121.27/534,215.21
  6. Step 6: Final answer
    x = 403,646.78

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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.