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Finding the Fourth Proportional to 411,539.94, 567,733.30 and 266,392.55

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Solution

The fourth proportional to 411,539.94, 567,733.30 and 266,392.55 is: 367,497.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,539.94 : 567,733.30 = 266,392.55 : x
  2. Step 2: Convert to fraction form
    411,539.94/567,733.30 = 266,392.55/x
  3. Step 3: Cross multiply
    411,539.94x = 567,733.30 × 266,392.55
  4. Step 4: Simplify right side
    411,539.94x = 151,239,921,506.92
  5. Step 5: Solve for x
    x = 151,239,921,506.92/411,539.94
  6. Step 6: Final answer
    x = 367,497.55

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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.