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Finding the Fourth Proportional to 606,528, 836,738.10 and 351,731.64

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Solution

The fourth proportional to 606,528, 836,738.10 and 351,731.64 is: 485,232.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,528 : 836,738.10 = 351,731.64 : x
  2. Step 2: Convert to fraction form
    606,528/836,738.10 = 351,731.64/x
  3. Step 3: Cross multiply
    606,528x = 836,738.10 × 351,731.64
  4. Step 4: Simplify right side
    606,528x = 294,307,264,163.48
  5. Step 5: Solve for x
    x = 294,307,264,163.48/606,528
  6. Step 6: Final answer
    x = 485,232.77

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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.