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Finding the Fourth Proportional to 702,893.60, 1,054,442.80 and 229,600.80

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Solution

The fourth proportional to 702,893.60, 1,054,442.80 and 229,600.80 is: 344,434.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,893.60 : 1,054,442.80 = 229,600.80 : x
  2. Step 2: Convert to fraction form
    702,893.60/1,054,442.80 = 229,600.80/x
  3. Step 3: Cross multiply
    702,893.60x = 1,054,442.80 × 229,600.80
  4. Step 4: Simplify right side
    702,893.60x = 242,100,910,434.24
  5. Step 5: Solve for x
    x = 242,100,910,434.24/702,893.60
  6. Step 6: Final answer
    x = 344,434.65

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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.