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Finding the Fourth Proportional to 439,862.70, 606,993.96 and 248,880.24

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Solution

The fourth proportional to 439,862.70, 606,993.96 and 248,880.24 is: 343,445.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,862.70 : 606,993.96 = 248,880.24 : x
  2. Step 2: Convert to fraction form
    439,862.70/606,993.96 = 248,880.24/x
  3. Step 3: Cross multiply
    439,862.70x = 606,993.96 × 248,880.24
  4. Step 4: Simplify right side
    439,862.70x = 151,068,802,443.35
  5. Step 5: Solve for x
    x = 151,068,802,443.35/439,862.70
  6. Step 6: Final answer
    x = 343,445.36

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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.