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Finding the Fourth Proportional to 415,188.56, 573,002.54 and 254,150.03

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Solution

The fourth proportional to 415,188.56, 573,002.54 and 254,150.03 is: 350,752.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,188.56 : 573,002.54 = 254,150.03 : x
  2. Step 2: Convert to fraction form
    415,188.56/573,002.54 = 254,150.03/x
  3. Step 3: Cross multiply
    415,188.56x = 573,002.54 × 254,150.03
  4. Step 4: Simplify right side
    415,188.56x = 145,628,612,731.08
  5. Step 5: Solve for x
    x = 145,628,612,731.08/415,188.56
  6. Step 6: Final answer
    x = 350,752.95

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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.