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Finding the Fourth Proportional to 536,943.48, 740,982.51 and 295,230.30

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Solution

The fourth proportional to 536,943.48, 740,982.51 and 295,230.30 is: 407,418.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,943.48 : 740,982.51 = 295,230.30 : x
  2. Step 2: Convert to fraction form
    536,943.48/740,982.51 = 295,230.30/x
  3. Step 3: Cross multiply
    536,943.48x = 740,982.51 × 295,230.30
  4. Step 4: Simplify right side
    536,943.48x = 218,760,488,722.05
  5. Step 5: Solve for x
    x = 218,760,488,722.05/536,943.48
  6. Step 6: Final answer
    x = 407,418.09

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1.5x scale

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.