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Finding the Fourth Proportional to 476,598.97, 714,996.89 and 139,650.62

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Solution

The fourth proportional to 476,598.97, 714,996.89 and 139,650.62 is: 209,504.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,598.97 : 714,996.89 = 139,650.62 : x
  2. Step 2: Convert to fraction form
    476,598.97/714,996.89 = 139,650.62/x
  3. Step 3: Cross multiply
    476,598.97x = 714,996.89 × 139,650.62
  4. Step 4: Simplify right side
    476,598.97x = 99,849,755,237.02
  5. Step 5: Solve for x
    x = 99,849,755,237.02/476,598.97
  6. Step 6: Final answer
    x = 209,504.76

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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.