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Finding the Fourth Proportional to 533,841.91, 736,889.30 and 330,049.15

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Solution

The fourth proportional to 533,841.91, 736,889.30 and 330,049.15 is: 455,583.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,841.91 : 736,889.30 = 330,049.15 : x
  2. Step 2: Convert to fraction form
    533,841.91/736,889.30 = 330,049.15/x
  3. Step 3: Cross multiply
    533,841.91x = 736,889.30 × 330,049.15
  4. Step 4: Simplify right side
    533,841.91x = 243,209,684,854.31
  5. Step 5: Solve for x
    x = 243,209,684,854.31/533,841.91
  6. Step 6: Final answer
    x = 455,583.73

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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.