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Finding the Fourth Proportional to 354,382.44, 531,573.66 and 243,237.48

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Solution

The fourth proportional to 354,382.44, 531,573.66 and 243,237.48 is: 364,856.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,382.44 : 531,573.66 = 243,237.48 : x
  2. Step 2: Convert to fraction form
    354,382.44/531,573.66 = 243,237.48/x
  3. Step 3: Cross multiply
    354,382.44x = 531,573.66 × 243,237.48
  4. Step 4: Simplify right side
    354,382.44x = 129,298,637,492.78
  5. Step 5: Solve for x
    x = 129,298,637,492.78/354,382.44
  6. Step 6: Final answer
    x = 364,856.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.