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Finding the Fourth Proportional to 424,649.44, 585,949.34 and 243,326.48

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Solution

The fourth proportional to 424,649.44, 585,949.34 and 243,326.48 is: 335,752.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,649.44 : 585,949.34 = 243,326.48 : x
  2. Step 2: Convert to fraction form
    424,649.44/585,949.34 = 243,326.48/x
  3. Step 3: Cross multiply
    424,649.44x = 585,949.34 × 243,326.48
  4. Step 4: Simplify right side
    424,649.44x = 142,576,990,360.52
  5. Step 5: Solve for x
    x = 142,576,990,360.52/424,649.44
  6. Step 6: Final answer
    x = 335,752.22

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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.