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Finding the Fourth Proportional to 373,325.94, 515,190.32 and 203,560.07

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Solution

The fourth proportional to 373,325.94, 515,190.32 and 203,560.07 is: 280,913.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,325.94 : 515,190.32 = 203,560.07 : x
  2. Step 2: Convert to fraction form
    373,325.94/515,190.32 = 203,560.07/x
  3. Step 3: Cross multiply
    373,325.94x = 515,190.32 × 203,560.07
  4. Step 4: Simplify right side
    373,325.94x = 104,872,174,008.77
  5. Step 5: Solve for x
    x = 104,872,174,008.77/373,325.94
  6. Step 6: Final answer
    x = 280,913.17

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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.