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Finding the Fourth Proportional to 464,194.88, 640,587.84 and 262,990.88

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Solution

The fourth proportional to 464,194.88, 640,587.84 and 262,990.88 is: 362,926.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,194.88 : 640,587.84 = 262,990.88 : x
  2. Step 2: Convert to fraction form
    464,194.88/640,587.84 = 262,990.88/x
  3. Step 3: Cross multiply
    464,194.88x = 640,587.84 × 262,990.88
  4. Step 4: Simplify right side
    464,194.88x = 168,468,759,758.90
  5. Step 5: Solve for x
    x = 168,468,759,758.90/464,194.88
  6. Step 6: Final answer
    x = 362,926.79

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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.