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Finding the Fourth Proportional to 437,935.82, 604,351.89 and 256,611.65

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Solution

The fourth proportional to 437,935.82, 604,351.89 and 256,611.65 is: 354,124.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,935.82 : 604,351.89 = 256,611.65 : x
  2. Step 2: Convert to fraction form
    437,935.82/604,351.89 = 256,611.65/x
  3. Step 3: Cross multiply
    437,935.82x = 604,351.89 × 256,611.65
  4. Step 4: Simplify right side
    437,935.82x = 155,083,732,651.76
  5. Step 5: Solve for x
    x = 155,083,732,651.76/437,935.82
  6. Step 6: Final answer
    x = 354,124.34

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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.