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Finding the Fourth Proportional to 373,188.14, 514,999.64 and 203,422.26

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Solution

The fourth proportional to 373,188.14, 514,999.64 and 203,422.26 is: 280,722.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,188.14 : 514,999.64 = 203,422.26 : x
  2. Step 2: Convert to fraction form
    373,188.14/514,999.64 = 203,422.26/x
  3. Step 3: Cross multiply
    373,188.14x = 514,999.64 × 203,422.26
  4. Step 4: Simplify right side
    373,188.14x = 104,762,390,667.99
  5. Step 5: Solve for x
    x = 104,762,390,667.99/373,188.14
  6. Step 6: Final answer
    x = 280,722.72

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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.