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Finding the Fourth Proportional to 368,376.86, 508,359.32 and 207,232.02

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Solution

The fourth proportional to 368,376.86, 508,359.32 and 207,232.02 is: 285,979.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,376.86 : 508,359.32 = 207,232.02 : x
  2. Step 2: Convert to fraction form
    368,376.86/508,359.32 = 207,232.02/x
  3. Step 3: Cross multiply
    368,376.86x = 508,359.32 × 207,232.02
  4. Step 4: Simplify right side
    368,376.86x = 105,348,328,769.43
  5. Step 5: Solve for x
    x = 105,348,328,769.43/368,376.86
  6. Step 6: Final answer
    x = 285,979.77

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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.