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Finding the Fourth Proportional to 448,063.24, 618,326.90 and 246,859.24

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Solution

The fourth proportional to 448,063.24, 618,326.90 and 246,859.24 is: 340,665.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,063.24 : 618,326.90 = 246,859.24 : x
  2. Step 2: Convert to fraction form
    448,063.24/618,326.90 = 246,859.24/x
  3. Step 3: Cross multiply
    448,063.24x = 618,326.90 × 246,859.24
  4. Step 4: Simplify right side
    448,063.24x = 152,639,708,605.56
  5. Step 5: Solve for x
    x = 152,639,708,605.56/448,063.24
  6. Step 6: Final answer
    x = 340,665.55

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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.