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Finding the Fourth Proportional to 655,698.99, 982,964.99 and 256,248.93

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Solution

The fourth proportional to 655,698.99, 982,964.99 and 256,248.93 is: 384,145.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,698.99 : 982,964.99 = 256,248.93 : x
  2. Step 2: Convert to fraction form
    655,698.99/982,964.99 = 256,248.93/x
  3. Step 3: Cross multiply
    655,698.99x = 982,964.99 × 256,248.93
  4. Step 4: Simplify right side
    655,698.99x = 251,883,726,914.96
  5. Step 5: Solve for x
    x = 251,883,726,914.96/655,698.99
  6. Step 6: Final answer
    x = 384,145.36

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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.