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Finding the Fourth Proportional to 481,070.48, 721,590.84 and 228,532.76

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Solution

The fourth proportional to 481,070.48, 721,590.84 and 228,532.76 is: 342,792.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,070.48 : 721,590.84 = 228,532.76 : x
  2. Step 2: Convert to fraction form
    481,070.48/721,590.84 = 228,532.76/x
  3. Step 3: Cross multiply
    481,070.48x = 721,590.84 × 228,532.76
  4. Step 4: Simplify right side
    481,070.48x = 164,907,146,255.92
  5. Step 5: Solve for x
    x = 164,907,146,255.92/481,070.48
  6. Step 6: Final answer
    x = 342,792.07

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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.