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Finding the Fourth Proportional to 397,420.33, 596,130.65 and 97,906.73

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Solution

The fourth proportional to 397,420.33, 596,130.65 and 97,906.73 is: 146,860.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,420.33 : 596,130.65 = 97,906.73 : x
  2. Step 2: Convert to fraction form
    397,420.33/596,130.65 = 97,906.73/x
  3. Step 3: Cross multiply
    397,420.33x = 596,130.65 × 97,906.73
  4. Step 4: Simplify right side
    397,420.33x = 58,365,204,329.37
  5. Step 5: Solve for x
    x = 58,365,204,329.37/397,420.33
  6. Step 6: Final answer
    x = 146,860.14

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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.