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Finding the Fourth Proportional to 365,715.80, 548,573.70 and 303,507.80

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Solution

The fourth proportional to 365,715.80, 548,573.70 and 303,507.80 is: 455,261.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,715.80 : 548,573.70 = 303,507.80 : x
  2. Step 2: Convert to fraction form
    365,715.80/548,573.70 = 303,507.80/x
  3. Step 3: Cross multiply
    365,715.80x = 548,573.70 × 303,507.80
  4. Step 4: Simplify right side
    365,715.80x = 166,496,396,824.86
  5. Step 5: Solve for x
    x = 166,496,396,824.86/365,715.80
  6. Step 6: Final answer
    x = 455,261.70

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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.