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Finding the Fourth Proportional to 357,791.93, 493,753.93 and 196,663.49

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Solution

The fourth proportional to 357,791.93, 493,753.93 and 196,663.49 is: 271,396.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,791.93 : 493,753.93 = 196,663.49 : x
  2. Step 2: Convert to fraction form
    357,791.93/493,753.93 = 196,663.49/x
  3. Step 3: Cross multiply
    357,791.93x = 493,753.93 × 196,663.49
  4. Step 4: Simplify right side
    357,791.93x = 97,103,371,075.02
  5. Step 5: Solve for x
    x = 97,103,371,075.02/357,791.93
  6. Step 6: Final answer
    x = 271,396.20

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1.5x scale

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.