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Finding the Fourth Proportional to 374,146.96, 515,273.16 and 350,133.16

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Solution

The fourth proportional to 374,146.96, 515,273.16 and 350,133.16 is: 482,201.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,146.96 : 515,273.16 = 350,133.16 : x
  2. Step 2: Convert to fraction form
    374,146.96/515,273.16 = 350,133.16/x
  3. Step 3: Cross multiply
    374,146.96x = 515,273.16 × 350,133.16
  4. Step 4: Simplify right side
    374,146.96x = 180,414,219,773.99
  5. Step 5: Solve for x
    x = 180,414,219,773.99/374,146.96
  6. Step 6: Final answer
    x = 482,201.49

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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.