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Finding the Fourth Proportional to 544,691.79, 817,036.47 and 259,516.71

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Solution

The fourth proportional to 544,691.79, 817,036.47 and 259,516.71 is: 389,274.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,691.79 : 817,036.47 = 259,516.71 : x
  2. Step 2: Convert to fraction form
    544,691.79/817,036.47 = 259,516.71/x
  3. Step 3: Cross multiply
    544,691.79x = 817,036.47 × 259,516.71
  4. Step 4: Simplify right side
    544,691.79x = 212,034,616,644.41
  5. Step 5: Solve for x
    x = 212,034,616,644.41/544,691.79
  6. Step 6: Final answer
    x = 389,274.49

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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.