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Finding the Fourth Proportional to 467,670.55, 645,238.29 and 286,193.29

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Solution

The fourth proportional to 467,670.55, 645,238.29 and 286,193.29 is: 394,856.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,670.55 : 645,238.29 = 286,193.29 : x
  2. Step 2: Convert to fraction form
    467,670.55/645,238.29 = 286,193.29/x
  3. Step 3: Cross multiply
    467,670.55x = 645,238.29 × 286,193.29
  4. Step 4: Simplify right side
    467,670.55x = 184,662,869,049.07
  5. Step 5: Solve for x
    x = 184,662,869,049.07/467,670.55
  6. Step 6: Final answer
    x = 394,856.74

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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.