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Finding the Fourth Proportional to 551,902.91, 761,058.93 and 461,225.03

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Solution

The fourth proportional to 551,902.91, 761,058.93 and 461,225.03 is: 636,016.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,902.91 : 761,058.93 = 461,225.03 : x
  2. Step 2: Convert to fraction form
    551,902.91/761,058.93 = 461,225.03/x
  3. Step 3: Cross multiply
    551,902.91x = 761,058.93 × 461,225.03
  4. Step 4: Simplify right side
    551,902.91x = 351,019,424,015.72
  5. Step 5: Solve for x
    x = 351,019,424,015.72/551,902.91
  6. Step 6: Final answer
    x = 636,016.63

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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.