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Finding the Fourth Proportional to 228,924.60, 343,386.90 and 225,036.60

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Solution

The fourth proportional to 228,924.60, 343,386.90 and 225,036.60 is: 337,554.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,924.60 : 343,386.90 = 225,036.60 : x
  2. Step 2: Convert to fraction form
    228,924.60/343,386.90 = 225,036.60/x
  3. Step 3: Cross multiply
    228,924.60x = 343,386.90 × 225,036.60
  4. Step 4: Simplify right side
    228,924.60x = 77,274,620,460.54
  5. Step 5: Solve for x
    x = 77,274,620,460.54/228,924.60
  6. Step 6: Final answer
    x = 337,554.90

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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.