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Finding the Fourth Proportional to 607,934.13, 839,051.15 and 411,611.55

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Solution

The fourth proportional to 607,934.13, 839,051.15 and 411,611.55 is: 568,093.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,934.13 : 839,051.15 = 411,611.55 : x
  2. Step 2: Convert to fraction form
    607,934.13/839,051.15 = 411,611.55/x
  3. Step 3: Cross multiply
    607,934.13x = 839,051.15 × 411,611.55
  4. Step 4: Simplify right side
    607,934.13x = 345,363,144,380.78
  5. Step 5: Solve for x
    x = 345,363,144,380.78/607,934.13
  6. Step 6: Final answer
    x = 568,093.03

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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.