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Finding the Fourth Proportional to 607,339.92, 911,138.16 and 228,264

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Solution

The fourth proportional to 607,339.92, 911,138.16 and 228,264 is: 342,444.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,339.92 : 911,138.16 = 228,264 : x
  2. Step 2: Convert to fraction form
    607,339.92/911,138.16 = 228,264/x
  3. Step 3: Cross multiply
    607,339.92x = 911,138.16 × 228,264
  4. Step 4: Simplify right side
    607,339.92x = 207,980,040,954.24
  5. Step 5: Solve for x
    x = 207,980,040,954.24/607,339.92
  6. Step 6: Final answer
    x = 342,444.21

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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.