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Finding the Fourth Proportional to 536,666.07, 739,818.75 and 375,019.41

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Solution

The fourth proportional to 536,666.07, 739,818.75 and 375,019.41 is: 516,981.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,666.07 : 739,818.75 = 375,019.41 : x
  2. Step 2: Convert to fraction form
    536,666.07/739,818.75 = 375,019.41/x
  3. Step 3: Cross multiply
    536,666.07x = 739,818.75 × 375,019.41
  4. Step 4: Simplify right side
    536,666.07x = 277,446,391,131.94
  5. Step 5: Solve for x
    x = 277,446,391,131.94/536,666.07
  6. Step 6: Final answer
    x = 516,981.43

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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.