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Finding the Fourth Proportional to 551,896.34, 761,049.88 and 461,218.46

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Solution

The fourth proportional to 551,896.34, 761,049.88 and 461,218.46 is: 636,007.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,896.34 : 761,049.88 = 461,218.46 : x
  2. Step 2: Convert to fraction form
    551,896.34/761,049.88 = 461,218.46/x
  3. Step 3: Cross multiply
    551,896.34x = 761,049.88 × 461,218.46
  4. Step 4: Simplify right side
    551,896.34x = 351,010,248,678.49
  5. Step 5: Solve for x
    x = 351,010,248,678.49/551,896.34
  6. Step 6: Final answer
    x = 636,007.57

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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.