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Finding the Fourth Proportional to 607,941.88, 839,061.84 and 411,619.30

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Solution

The fourth proportional to 607,941.88, 839,061.84 and 411,619.30 is: 568,103.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,941.88 : 839,061.84 = 411,619.30 : x
  2. Step 2: Convert to fraction form
    607,941.88/839,061.84 = 411,619.30/x
  3. Step 3: Cross multiply
    607,941.88x = 839,061.84 × 411,619.30
  4. Step 4: Simplify right side
    607,941.88x = 345,374,047,237.51
  5. Step 5: Solve for x
    x = 345,374,047,237.51/607,941.88
  6. Step 6: Final answer
    x = 568,103.73

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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.