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Finding the Fourth Proportional to 536,804.22, 740,781 and 295,081.59

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Solution

The fourth proportional to 536,804.22, 740,781 and 295,081.59 is: 407,207.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,804.22 : 740,781 = 295,081.59 : x
  2. Step 2: Convert to fraction form
    536,804.22/740,781 = 295,081.59/x
  3. Step 3: Cross multiply
    536,804.22x = 740,781 × 295,081.59
  4. Step 4: Simplify right side
    536,804.22x = 218,590,835,321.79
  5. Step 5: Solve for x
    x = 218,590,835,321.79/536,804.22
  6. Step 6: Final answer
    x = 407,207.74

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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.