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Finding the Fourth Proportional to 503,865.88, 755,905.43 and 166,887.45

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Solution

The fourth proportional to 503,865.88, 755,905.43 and 166,887.45 is: 250,366.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,865.88 : 755,905.43 = 166,887.45 : x
  2. Step 2: Convert to fraction form
    503,865.88/755,905.43 = 166,887.45/x
  3. Step 3: Cross multiply
    503,865.88x = 755,905.43 × 166,887.45
  4. Step 4: Simplify right side
    503,865.88x = 126,151,130,071.07
  5. Step 5: Solve for x
    x = 126,151,130,071.07/503,865.88
  6. Step 6: Final answer
    x = 250,366.49

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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.