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Finding the Fourth Proportional to 480,610.16, 720,469.20 and 228,009.32

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Solution

The fourth proportional to 480,610.16, 720,469.20 and 228,009.32 is: 341,802.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,610.16 : 720,469.20 = 228,009.32 : x
  2. Step 2: Convert to fraction form
    480,610.16/720,469.20 = 228,009.32/x
  3. Step 3: Cross multiply
    480,610.16x = 720,469.20 × 228,009.32
  4. Step 4: Simplify right side
    480,610.16x = 164,273,692,372.94
  5. Step 5: Solve for x
    x = 164,273,692,372.94/480,610.16
  6. Step 6: Final answer
    x = 341,802.37

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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.