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Finding the Fourth Proportional to 451,894.02, 623,666.97 and 250,702.98

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Solution

The fourth proportional to 451,894.02, 623,666.97 and 250,702.98 is: 345,999.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,894.02 : 623,666.97 = 250,702.98 : x
  2. Step 2: Convert to fraction form
    451,894.02/623,666.97 = 250,702.98/x
  3. Step 3: Cross multiply
    451,894.02x = 623,666.97 × 250,702.98
  4. Step 4: Simplify right side
    451,894.02x = 156,355,167,906.57
  5. Step 5: Solve for x
    x = 156,355,167,906.57/451,894.02
  6. Step 6: Final answer
    x = 345,999.64

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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.