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Finding the Fourth Proportional to 737,929.92, 1,018,419.84 and 451,640.64

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Solution

The fourth proportional to 737,929.92, 1,018,419.84 and 451,640.64 is: 623,310.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,929.92 : 1,018,419.84 = 451,640.64 : x
  2. Step 2: Convert to fraction form
    737,929.92/1,018,419.84 = 451,640.64/x
  3. Step 3: Cross multiply
    737,929.92x = 1,018,419.84 × 451,640.64
  4. Step 4: Simplify right side
    737,929.92x = 459,959,788,326.30
  5. Step 5: Solve for x
    x = 459,959,788,326.30/737,929.92
  6. Step 6: Final answer
    x = 623,310.93

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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.