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Finding the Fourth Proportional to 382,075.40, 573,372.30 and 248,630.60

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Solution

The fourth proportional to 382,075.40, 573,372.30 and 248,630.60 is: 373,114.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,075.40 : 573,372.30 = 248,630.60 : x
  2. Step 2: Convert to fraction form
    382,075.40/573,372.30 = 248,630.60/x
  3. Step 3: Cross multiply
    382,075.40x = 573,372.30 × 248,630.60
  4. Step 4: Simplify right side
    382,075.40x = 142,557,898,972.38
  5. Step 5: Solve for x
    x = 142,557,898,972.38/382,075.40
  6. Step 6: Final answer
    x = 373,114.57

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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.