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Finding the Fourth Proportional to 240,187.60, 359,244.60 and 202,862.80

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Solution

The fourth proportional to 240,187.60, 359,244.60 and 202,862.80 is: 303,418.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,187.60 : 359,244.60 = 202,862.80 : x
  2. Step 2: Convert to fraction form
    240,187.60/359,244.60 = 202,862.80/x
  3. Step 3: Cross multiply
    240,187.60x = 359,244.60 × 202,862.80
  4. Step 4: Simplify right side
    240,187.60x = 72,877,365,440.88
  5. Step 5: Solve for x
    x = 72,877,365,440.88/240,187.60
  6. Step 6: Final answer
    x = 303,418.52

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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.