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Finding the Fourth Proportional to 439,397.24, 606,344.64 and 248,399.24

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Solution

The fourth proportional to 439,397.24, 606,344.64 and 248,399.24 is: 342,777.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,397.24 : 606,344.64 = 248,399.24 : x
  2. Step 2: Convert to fraction form
    439,397.24/606,344.64 = 248,399.24/x
  3. Step 3: Cross multiply
    439,397.24x = 606,344.64 × 248,399.24
  4. Step 4: Simplify right side
    439,397.24x = 150,615,547,754.07
  5. Step 5: Solve for x
    x = 150,615,547,754.07/439,397.24
  6. Step 6: Final answer
    x = 342,777.64

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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.