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Finding the Fourth Proportional to 373,293.44, 515,155.28 and 228,122.72

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Solution

The fourth proportional to 373,293.44, 515,155.28 and 228,122.72 is: 314,815.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,293.44 : 515,155.28 = 228,122.72 : x
  2. Step 2: Convert to fraction form
    373,293.44/515,155.28 = 228,122.72/x
  3. Step 3: Cross multiply
    373,293.44x = 515,155.28 × 228,122.72
  4. Step 4: Simplify right side
    373,293.44x = 117,518,623,695.96
  5. Step 5: Solve for x
    x = 117,518,623,695.96/373,293.44
  6. Step 6: Final answer
    x = 314,815.67

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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.