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Finding the Fourth Proportional to 303,521.08, 455,335.08 and 103,794.52

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Solution

The fourth proportional to 303,521.08, 455,335.08 and 103,794.52 is: 155,710.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,521.08 : 455,335.08 = 103,794.52 : x
  2. Step 2: Convert to fraction form
    303,521.08/455,335.08 = 103,794.52/x
  3. Step 3: Cross multiply
    303,521.08x = 455,335.08 × 103,794.52
  4. Step 4: Simplify right side
    303,521.08x = 47,261,286,067.76
  5. Step 5: Solve for x
    x = 47,261,286,067.76/303,521.08
  6. Step 6: Final answer
    x = 155,710.06

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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.