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Finding the Fourth Proportional to 622,178.82, 933,404.31 and 201,497.22

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Solution

The fourth proportional to 622,178.82, 933,404.31 and 201,497.22 is: 302,289.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,178.82 : 933,404.31 = 201,497.22 : x
  2. Step 2: Convert to fraction form
    622,178.82/933,404.31 = 201,497.22/x
  3. Step 3: Cross multiply
    622,178.82x = 933,404.31 × 201,497.22
  4. Step 4: Simplify right side
    622,178.82x = 188,078,373,601.02
  5. Step 5: Solve for x
    x = 188,078,373,601.02/622,178.82
  6. Step 6: Final answer
    x = 302,289.90

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1.5x scale

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.