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Finding the Fourth Proportional to 475,576.84, 656,379.28 and 361,234

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Solution

The fourth proportional to 475,576.84, 656,379.28 and 361,234 is: 498,566.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,576.84 : 656,379.28 = 361,234 : x
  2. Step 2: Convert to fraction form
    475,576.84/656,379.28 = 361,234/x
  3. Step 3: Cross multiply
    475,576.84x = 656,379.28 × 361,234
  4. Step 4: Simplify right side
    475,576.84x = 237,106,512,831.52
  5. Step 5: Solve for x
    x = 237,106,512,831.52/475,576.84
  6. Step 6: Final answer
    x = 498,566.15

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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.