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Finding the Fourth Proportional to 544,865.64, 817,290.24 and 245,134.55

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Solution

The fourth proportional to 544,865.64, 817,290.24 and 245,134.55 is: 367,698.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,865.64 : 817,290.24 = 245,134.55 : x
  2. Step 2: Convert to fraction form
    544,865.64/817,290.24 = 245,134.55/x
  3. Step 3: Cross multiply
    544,865.64x = 817,290.24 × 245,134.55
  4. Step 4: Simplify right side
    544,865.64x = 200,346,071,115.34
  5. Step 5: Solve for x
    x = 200,346,071,115.34/544,865.64
  6. Step 6: Final answer
    x = 367,698.12

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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.