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Finding the Fourth Proportional to 415,186.37, 572,999.51 and 254,147.84

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Solution

The fourth proportional to 415,186.37, 572,999.51 and 254,147.84 is: 350,749.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,186.37 : 572,999.51 = 254,147.84 : x
  2. Step 2: Convert to fraction form
    415,186.37/572,999.51 = 254,147.84/x
  3. Step 3: Cross multiply
    415,186.37x = 572,999.51 × 254,147.84
  4. Step 4: Simplify right side
    415,186.37x = 145,626,583,651.82
  5. Step 5: Solve for x
    x = 145,626,583,651.82/415,186.37
  6. Step 6: Final answer
    x = 350,749.92

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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.