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Finding the Fourth Proportional to 536,794, 740,775.72 and 310,454.08

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Solution

The fourth proportional to 536,794, 740,775.72 and 310,454.08 is: 428,426.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,794 : 740,775.72 = 310,454.08 : x
  2. Step 2: Convert to fraction form
    536,794/740,775.72 = 310,454.08/x
  3. Step 3: Cross multiply
    536,794x = 740,775.72 × 310,454.08
  4. Step 4: Simplify right side
    536,794x = 229,976,844,638.94
  5. Step 5: Solve for x
    x = 229,976,844,638.94/536,794
  6. Step 6: Final answer
    x = 428,426.63

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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.