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Finding the Fourth Proportional to 554,332.04, 765,174.84 and 327,977

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Solution

The fourth proportional to 554,332.04, 765,174.84 and 327,977 is: 452,724.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,332.04 : 765,174.84 = 327,977 : x
  2. Step 2: Convert to fraction form
    554,332.04/765,174.84 = 327,977/x
  3. Step 3: Cross multiply
    554,332.04x = 765,174.84 × 327,977
  4. Step 4: Simplify right side
    554,332.04x = 250,959,748,498.68
  5. Step 5: Solve for x
    x = 250,959,748,498.68/554,332.04
  6. Step 6: Final answer
    x = 452,724.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.