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Finding the Fourth Proportional to 737,625.24, 1,018,021.74 and 431,795.16

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Solution

The fourth proportional to 737,625.24, 1,018,021.74 and 431,795.16 is: 595,935.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,625.24 : 1,018,021.74 = 431,795.16 : x
  2. Step 2: Convert to fraction form
    737,625.24/1,018,021.74 = 431,795.16/x
  3. Step 3: Cross multiply
    737,625.24x = 1,018,021.74 × 431,795.16
  4. Step 4: Simplify right side
    737,625.24x = 439,576,860,106.78
  5. Step 5: Solve for x
    x = 439,576,860,106.78/737,625.24
  6. Step 6: Final answer
    x = 595,935.22

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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.