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Finding the Fourth Proportional to 625,071.08, 937,620.39 and 432,756.02

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Solution

The fourth proportional to 625,071.08, 937,620.39 and 432,756.02 is: 649,143.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,071.08 : 937,620.39 = 432,756.02 : x
  2. Step 2: Convert to fraction form
    625,071.08/937,620.39 = 432,756.02/x
  3. Step 3: Cross multiply
    625,071.08x = 937,620.39 × 432,756.02
  4. Step 4: Simplify right side
    625,071.08x = 405,760,863,559.15
  5. Step 5: Solve for x
    x = 405,760,863,559.15/625,071.08
  6. Step 6: Final answer
    x = 649,143.56

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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.