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Finding the Fourth Proportional to 664,547.14, 996,772.51 and 259,663.24

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Solution

The fourth proportional to 664,547.14, 996,772.51 and 259,663.24 is: 389,476.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,547.14 : 996,772.51 = 259,663.24 : x
  2. Step 2: Convert to fraction form
    664,547.14/996,772.51 = 259,663.24/x
  3. Step 3: Cross multiply
    664,547.14x = 996,772.51 × 259,663.24
  4. Step 4: Simplify right side
    664,547.14x = 258,825,179,489.53
  5. Step 5: Solve for x
    x = 258,825,179,489.53/664,547.14
  6. Step 6: Final answer
    x = 389,476.03

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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.