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Finding the Fourth Proportional to 368,591.48, 508,601.38 and 207,436.92

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Solution

The fourth proportional to 368,591.48, 508,601.38 and 207,436.92 is: 286,232.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,591.48 : 508,601.38 = 207,436.92 : x
  2. Step 2: Convert to fraction form
    368,591.48/508,601.38 = 207,436.92/x
  3. Step 3: Cross multiply
    368,591.48x = 508,601.38 × 207,436.92
  4. Step 4: Simplify right side
    368,591.48x = 105,502,701,738.05
  5. Step 5: Solve for x
    x = 105,502,701,738.05/368,591.48
  6. Step 6: Final answer
    x = 286,232.07

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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.