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Finding the Fourth Proportional to 672,162, 927,586.44 and 370,349.52

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Solution

The fourth proportional to 672,162, 927,586.44 and 370,349.52 is: 511,083.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,162 : 927,586.44 = 370,349.52 : x
  2. Step 2: Convert to fraction form
    672,162/927,586.44 = 370,349.52/x
  3. Step 3: Cross multiply
    672,162x = 927,586.44 × 370,349.52
  4. Step 4: Simplify right side
    672,162x = 343,531,192,812.51
  5. Step 5: Solve for x
    x = 343,531,192,812.51/672,162
  6. Step 6: Final answer
    x = 511,083.92

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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.