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Finding the Fourth Proportional to 439,660.02, 606,730.84 and 248,669.30

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Solution

The fourth proportional to 439,660.02, 606,730.84 and 248,669.30 is: 343,163.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,660.02 : 606,730.84 = 248,669.30 : x
  2. Step 2: Convert to fraction form
    439,660.02/606,730.84 = 248,669.30/x
  3. Step 3: Cross multiply
    439,660.02x = 606,730.84 × 248,669.30
  4. Step 4: Simplify right side
    439,660.02x = 150,875,333,271.21
  5. Step 5: Solve for x
    x = 150,875,333,271.21/439,660.02
  6. Step 6: Final answer
    x = 343,163.64

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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.