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Finding the Fourth Proportional to 382,264.90, 573,656.55 and 248,820.10

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Solution

The fourth proportional to 382,264.90, 573,656.55 and 248,820.10 is: 373,398.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,264.90 : 573,656.55 = 248,820.10 : x
  2. Step 2: Convert to fraction form
    382,264.90/573,656.55 = 248,820.10/x
  3. Step 3: Cross multiply
    382,264.90x = 573,656.55 × 248,820.10
  4. Step 4: Simplify right side
    382,264.90x = 142,737,280,136.66
  5. Step 5: Solve for x
    x = 142,737,280,136.66/382,264.90
  6. Step 6: Final answer
    x = 373,398.87

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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.