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Finding the Fourth Proportional to 382,302.90, 573,713.55 and 248,858.10

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Solution

The fourth proportional to 382,302.90, 573,713.55 and 248,858.10 is: 373,455.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,302.90 : 573,713.55 = 248,858.10 : x
  2. Step 2: Convert to fraction form
    382,302.90/573,713.55 = 248,858.10/x
  3. Step 3: Cross multiply
    382,302.90x = 573,713.55 × 248,858.10
  4. Step 4: Simplify right side
    382,302.90x = 142,773,263,997.26
  5. Step 5: Solve for x
    x = 142,773,263,997.26/382,302.90
  6. Step 6: Final answer
    x = 373,455.87

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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.