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Finding the Fourth Proportional to 426,073.72, 588,194.79 and 264,980.68

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Solution

The fourth proportional to 426,073.72, 588,194.79 and 264,980.68 is: 365,805.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,073.72 : 588,194.79 = 264,980.68 : x
  2. Step 2: Convert to fraction form
    426,073.72/588,194.79 = 264,980.68/x
  3. Step 3: Cross multiply
    426,073.72x = 588,194.79 × 264,980.68
  4. Step 4: Simplify right side
    426,073.72x = 155,860,255,426.66
  5. Step 5: Solve for x
    x = 155,860,255,426.66/426,073.72
  6. Step 6: Final answer
    x = 365,805.84

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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.