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Finding the Fourth Proportional to 590,915.20, 886,372.80 and 254,117.20

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Solution

The fourth proportional to 590,915.20, 886,372.80 and 254,117.20 is: 381,175.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,915.20 : 886,372.80 = 254,117.20 : x
  2. Step 2: Convert to fraction form
    590,915.20/886,372.80 = 254,117.20/x
  3. Step 3: Cross multiply
    590,915.20x = 886,372.80 × 254,117.20
  4. Step 4: Simplify right side
    590,915.20x = 225,242,574,092.16
  5. Step 5: Solve for x
    x = 225,242,574,092.16/590,915.20
  6. Step 6: Final answer
    x = 381,175.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.