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Finding the Fourth Proportional to 625,070.58, 937,619.63 and 432,755.52

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Solution

The fourth proportional to 625,070.58, 937,619.63 and 432,755.52 is: 649,142.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,070.58 : 937,619.63 = 432,755.52 : x
  2. Step 2: Convert to fraction form
    625,070.58/937,619.63 = 432,755.52/x
  3. Step 3: Cross multiply
    625,070.58x = 937,619.63 × 432,755.52
  4. Step 4: Simplify right side
    625,070.58x = 405,760,070,542.86
  5. Step 5: Solve for x
    x = 405,760,070,542.86/625,070.58
  6. Step 6: Final answer
    x = 649,142.81

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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.