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Finding the Fourth Proportional to 544,864, 817,287.80 and 245,132.92

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Solution

The fourth proportional to 544,864, 817,287.80 and 245,132.92 is: 367,695.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,864 : 817,287.80 = 245,132.92 : x
  2. Step 2: Convert to fraction form
    544,864/817,287.80 = 245,132.92/x
  3. Step 3: Cross multiply
    544,864x = 817,287.80 × 245,132.92
  4. Step 4: Simplify right side
    544,864x = 200,344,144,894.38
  5. Step 5: Solve for x
    x = 200,344,144,894.38/544,864
  6. Step 6: Final answer
    x = 367,695.69

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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.