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Finding the Fourth Proportional to 357,777.33, 536,662.21 and 91,535.73

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Solution

The fourth proportional to 357,777.33, 536,662.21 and 91,535.73 is: 137,302.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,777.33 : 536,662.21 = 91,535.73 : x
  2. Step 2: Convert to fraction form
    357,777.33/536,662.21 = 91,535.73/x
  3. Step 3: Cross multiply
    357,777.33x = 536,662.21 × 91,535.73
  4. Step 4: Simplify right side
    357,777.33x = 49,123,767,155.76
  5. Step 5: Solve for x
    x = 49,123,767,155.76/357,777.33
  6. Step 6: Final answer
    x = 137,302.63

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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.