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Finding the Fourth Proportional to 618,453.77, 927,343.42 and 186,108.25

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Solution

The fourth proportional to 618,453.77, 927,343.42 and 186,108.25 is: 279,060.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,453.77 : 927,343.42 = 186,108.25 : x
  2. Step 2: Convert to fraction form
    618,453.77/927,343.42 = 186,108.25/x
  3. Step 3: Cross multiply
    618,453.77x = 927,343.42 × 186,108.25
  4. Step 4: Simplify right side
    618,453.77x = 172,586,261,045.22
  5. Step 5: Solve for x
    x = 172,586,261,045.22/618,453.77
  6. Step 6: Final answer
    x = 279,060.89

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1.5x scale

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.