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Finding the Fourth Proportional to 532,705.82, 734,791.91 and 325,877.58

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Solution

The fourth proportional to 532,705.82, 734,791.91 and 325,877.58 is: 449,501.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,705.82 : 734,791.91 = 325,877.58 : x
  2. Step 2: Convert to fraction form
    532,705.82/734,791.91 = 325,877.58/x
  3. Step 3: Cross multiply
    532,705.82x = 734,791.91 × 325,877.58
  4. Step 4: Simplify right side
    532,705.82x = 239,452,207,804.99
  5. Step 5: Solve for x
    x = 239,452,207,804.99/532,705.82
  6. Step 6: Final answer
    x = 449,501.77

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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.