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Finding the Fourth Proportional to 322,593.07, 445,050.57 and 186,601.77

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Solution

The fourth proportional to 322,593.07, 445,050.57 and 186,601.77 is: 257,436.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,593.07 : 445,050.57 = 186,601.77 : x
  2. Step 2: Convert to fraction form
    322,593.07/445,050.57 = 186,601.77/x
  3. Step 3: Cross multiply
    322,593.07x = 445,050.57 × 186,601.77
  4. Step 4: Simplify right side
    322,593.07x = 83,047,224,101.51
  5. Step 5: Solve for x
    x = 83,047,224,101.51/322,593.07
  6. Step 6: Final answer
    x = 257,436.48

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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.