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Finding the Fourth Proportional to 448,935.62, 672,330.78 and 248,759.51

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Solution

The fourth proportional to 448,935.62, 672,330.78 and 248,759.51 is: 372,544.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,935.62 : 672,330.78 = 248,759.51 : x
  2. Step 2: Convert to fraction form
    448,935.62/672,330.78 = 248,759.51/x
  3. Step 3: Cross multiply
    448,935.62x = 672,330.78 × 248,759.51
  4. Step 4: Simplify right side
    448,935.62x = 167,248,672,029.06
  5. Step 5: Solve for x
    x = 167,248,672,029.06/448,935.62
  6. Step 6: Final answer
    x = 372,544.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.