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Finding the Fourth Proportional to 353,890.62, 488,693.58 and 224,871.60

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Solution

The fourth proportional to 353,890.62, 488,693.58 and 224,871.60 is: 310,529.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,890.62 : 488,693.58 = 224,871.60 : x
  2. Step 2: Convert to fraction form
    353,890.62/488,693.58 = 224,871.60/x
  3. Step 3: Cross multiply
    353,890.62x = 488,693.58 × 224,871.60
  4. Step 4: Simplify right side
    353,890.62x = 109,893,307,244.33
  5. Step 5: Solve for x
    x = 109,893,307,244.33/353,890.62
  6. Step 6: Final answer
    x = 310,529.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.