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Finding the Fourth Proportional to 536,937.60, 740,976.82 and 316,184.52

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Solution

The fourth proportional to 536,937.60, 740,976.82 and 316,184.52 is: 436,336.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,937.60 : 740,976.82 = 316,184.52 : x
  2. Step 2: Convert to fraction form
    536,937.60/740,976.82 = 316,184.52/x
  3. Step 3: Cross multiply
    536,937.60x = 740,976.82 × 316,184.52
  4. Step 4: Simplify right side
    536,937.60x = 234,285,399,372.37
  5. Step 5: Solve for x
    x = 234,285,399,372.37/536,937.60
  6. Step 6: Final answer
    x = 436,336.36

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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.