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Finding the Fourth Proportional to 382,166.60, 572,593.80 and 248,978.30

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Solution

The fourth proportional to 382,166.60, 572,593.80 and 248,978.30 is: 373,040.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,166.60 : 572,593.80 = 248,978.30 : x
  2. Step 2: Convert to fraction form
    382,166.60/572,593.80 = 248,978.30/x
  3. Step 3: Cross multiply
    382,166.60x = 572,593.80 × 248,978.30
  4. Step 4: Simplify right side
    382,166.60x = 142,563,430,914.54
  5. Step 5: Solve for x
    x = 142,563,430,914.54/382,166.60
  6. Step 6: Final answer
    x = 373,040.01

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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.