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Finding the Fourth Proportional to 722,495.97, 996,563.88 and 464,699.16

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Solution

The fourth proportional to 722,495.97, 996,563.88 and 464,699.16 is: 640,975.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,495.97 : 996,563.88 = 464,699.16 : x
  2. Step 2: Convert to fraction form
    722,495.97/996,563.88 = 464,699.16/x
  3. Step 3: Cross multiply
    722,495.97x = 996,563.88 × 464,699.16
  4. Step 4: Simplify right side
    722,495.97x = 463,102,397,922.34
  5. Step 5: Solve for x
    x = 463,102,397,922.34/722,495.97
  6. Step 6: Final answer
    x = 640,975.75

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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.