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Finding the Fourth Proportional to 383,630.40, 575,618.40 and 183,873.60

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Solution

The fourth proportional to 383,630.40, 575,618.40 and 183,873.60 is: 275,893.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,630.40 : 575,618.40 = 183,873.60 : x
  2. Step 2: Convert to fraction form
    383,630.40/575,618.40 = 183,873.60/x
  3. Step 3: Cross multiply
    383,630.40x = 575,618.40 × 183,873.60
  4. Step 4: Simplify right side
    383,630.40x = 105,841,027,434.24
  5. Step 5: Solve for x
    x = 105,841,027,434.24/383,630.40
  6. Step 6: Final answer
    x = 275,893.22

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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.