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Finding the Fourth Proportional to 383,618.40, 575,600.40 and 183,861.60

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Solution

The fourth proportional to 383,618.40, 575,600.40 and 183,861.60 is: 275,875.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,618.40 : 575,600.40 = 183,861.60 : x
  2. Step 2: Convert to fraction form
    383,618.40/575,600.40 = 183,861.60/x
  3. Step 3: Cross multiply
    383,618.40x = 575,600.40 × 183,861.60
  4. Step 4: Simplify right side
    383,618.40x = 105,830,810,504.64
  5. Step 5: Solve for x
    x = 105,830,810,504.64/383,618.40
  6. Step 6: Final answer
    x = 275,875.22

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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.