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Finding the Fourth Proportional to 516,365.70, 712,661.67 and 371,650.02

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Solution

The fourth proportional to 516,365.70, 712,661.67 and 371,650.02 is: 512,932.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,365.70 : 712,661.67 = 371,650.02 : x
  2. Step 2: Convert to fraction form
    516,365.70/712,661.67 = 371,650.02/x
  3. Step 3: Cross multiply
    516,365.70x = 712,661.67 × 371,650.02
  4. Step 4: Simplify right side
    516,365.70x = 264,860,723,908.73
  5. Step 5: Solve for x
    x = 264,860,723,908.73/516,365.70
  6. Step 6: Final answer
    x = 512,932.45

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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.