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Finding the Fourth Proportional to 544,874.67, 817,303.73 and 245,143.55

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Solution

The fourth proportional to 544,874.67, 817,303.73 and 245,143.55 is: 367,711.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,874.67 : 817,303.73 = 245,143.55 : x
  2. Step 2: Convert to fraction form
    544,874.67/817,303.73 = 245,143.55/x
  3. Step 3: Cross multiply
    544,874.67x = 817,303.73 × 245,143.55
  4. Step 4: Simplify right side
    544,874.67x = 200,356,732,488.21
  5. Step 5: Solve for x
    x = 200,356,732,488.21/544,874.67
  6. Step 6: Final answer
    x = 367,711.59

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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.