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Finding the Fourth Proportional to 415,192.37, 573,007.77 and 254,153.84

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Solution

The fourth proportional to 415,192.37, 573,007.77 and 254,153.84 is: 350,758.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,192.37 : 573,007.77 = 254,153.84 : x
  2. Step 2: Convert to fraction form
    415,192.37/573,007.77 = 254,153.84/x
  3. Step 3: Cross multiply
    415,192.37x = 573,007.77 × 254,153.84
  4. Step 4: Simplify right side
    415,192.37x = 145,632,122,230.30
  5. Step 5: Solve for x
    x = 145,632,122,230.30/415,192.37
  6. Step 6: Final answer
    x = 350,758.19

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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.