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Finding the Fourth Proportional to 382,272.90, 573,668.55 and 248,828.10

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Solution

The fourth proportional to 382,272.90, 573,668.55 and 248,828.10 is: 373,410.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,272.90 : 573,668.55 = 248,828.10 : x
  2. Step 2: Convert to fraction form
    382,272.90/573,668.55 = 248,828.10/x
  3. Step 3: Cross multiply
    382,272.90x = 573,668.55 × 248,828.10
  4. Step 4: Simplify right side
    382,272.90x = 142,744,855,326.26
  5. Step 5: Solve for x
    x = 142,744,855,326.26/382,272.90
  6. Step 6: Final answer
    x = 373,410.87

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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.