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Finding the Fourth Proportional to 461,328.84, 636,619.37 and 270,469.35

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Solution

The fourth proportional to 461,328.84, 636,619.37 and 270,469.35 is: 373,239.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,328.84 : 636,619.37 = 270,469.35 : x
  2. Step 2: Convert to fraction form
    461,328.84/636,619.37 = 270,469.35/x
  3. Step 3: Cross multiply
    461,328.84x = 636,619.37 × 270,469.35
  4. Step 4: Simplify right side
    461,328.84x = 172,186,025,848.96
  5. Step 5: Solve for x
    x = 172,186,025,848.96/461,328.84
  6. Step 6: Final answer
    x = 373,239.24

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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.