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Finding the Fourth Proportional to 373,188.15, 514,999.68 and 203,422.26

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Solution

The fourth proportional to 373,188.15, 514,999.68 and 203,422.26 is: 280,722.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,188.15 : 514,999.68 = 203,422.26 : x
  2. Step 2: Convert to fraction form
    373,188.15/514,999.68 = 203,422.26/x
  3. Step 3: Cross multiply
    373,188.15x = 514,999.68 × 203,422.26
  4. Step 4: Simplify right side
    373,188.15x = 104,762,398,804.88
  5. Step 5: Solve for x
    x = 104,762,398,804.88/373,188.15
  6. Step 6: Final answer
    x = 280,722.74

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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.