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Finding the Fourth Proportional to 635,136.86, 876,456.06 and 377,024.60

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Solution

The fourth proportional to 635,136.86, 876,456.06 and 377,024.60 is: 520,274.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,136.86 : 876,456.06 = 377,024.60 : x
  2. Step 2: Convert to fraction form
    635,136.86/876,456.06 = 377,024.60/x
  3. Step 3: Cross multiply
    635,136.86x = 876,456.06 × 377,024.60
  4. Step 4: Simplify right side
    635,136.86x = 330,445,495,439.08
  5. Step 5: Solve for x
    x = 330,445,495,439.08/635,136.86
  6. Step 6: Final answer
    x = 520,274.47

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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.