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Finding the Fourth Proportional to 463,822.32, 641,363.22 and 368,162.94

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Solution

The fourth proportional to 463,822.32, 641,363.22 and 368,162.94 is: 509,087.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,822.32 : 641,363.22 = 368,162.94 : x
  2. Step 2: Convert to fraction form
    463,822.32/641,363.22 = 368,162.94/x
  3. Step 3: Cross multiply
    463,822.32x = 641,363.22 × 368,162.94
  4. Step 4: Simplify right side
    463,822.32x = 236,126,168,683.07
  5. Step 5: Solve for x
    x = 236,126,168,683.07/463,822.32
  6. Step 6: Final answer
    x = 509,087.55

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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.