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Finding the Fourth Proportional to 468,847.00, 647,008.22 and 253,987.93

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Solution

The fourth proportional to 468,847.00, 647,008.22 and 253,987.93 is: 350,502.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,847.00 : 647,008.22 = 253,987.93 : x
  2. Step 2: Convert to fraction form
    468,847.00/647,008.22 = 253,987.93/x
  3. Step 3: Cross multiply
    468,847.00x = 647,008.22 × 253,987.93
  4. Step 4: Simplify right side
    468,847.00x = 164,332,273,985.80
  5. Step 5: Solve for x
    x = 164,332,273,985.80/468,847.00
  6. Step 6: Final answer
    x = 350,502.99

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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.