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Finding the Fourth Proportional to 368,327.86, 508,288.76 and 204,981.63

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Solution

The fourth proportional to 368,327.86, 508,288.76 and 204,981.63 is: 282,872.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,327.86 : 508,288.76 = 204,981.63 : x
  2. Step 2: Convert to fraction form
    368,327.86/508,288.76 = 204,981.63/x
  3. Step 3: Cross multiply
    368,327.86x = 508,288.76 × 204,981.63
  4. Step 4: Simplify right side
    368,327.86x = 104,189,858,535.48
  5. Step 5: Solve for x
    x = 104,189,858,535.48/368,327.86
  6. Step 6: Final answer
    x = 282,872.60

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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.