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Finding the Fourth Proportional to 621,752.69, 858,050.22 and 367,098.41

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Solution

The fourth proportional to 621,752.69, 858,050.22 and 367,098.41 is: 506,614.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,752.69 : 858,050.22 = 367,098.41 : x
  2. Step 2: Convert to fraction form
    621,752.69/858,050.22 = 367,098.41/x
  3. Step 3: Cross multiply
    621,752.69x = 858,050.22 × 367,098.41
  4. Step 4: Simplify right side
    621,752.69x = 314,988,871,462.15
  5. Step 5: Solve for x
    x = 314,988,871,462.15/621,752.69
  6. Step 6: Final answer
    x = 506,614.41

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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.