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Finding the Fourth Proportional to 544,878.16, 817,309.02 and 245,147.08

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Solution

The fourth proportional to 544,878.16, 817,309.02 and 245,147.08 is: 367,716.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,878.16 : 817,309.02 = 245,147.08 : x
  2. Step 2: Convert to fraction form
    544,878.16/817,309.02 = 245,147.08/x
  3. Step 3: Cross multiply
    544,878.16x = 817,309.02 × 245,147.08
  4. Step 4: Simplify right side
    544,878.16x = 200,360,919,710.66
  5. Step 5: Solve for x
    x = 200,360,919,710.66/544,878.16
  6. Step 6: Final answer
    x = 367,716.92

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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.