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Finding the Fourth Proportional to 529,370.48, 730,235.58 and 325,279.64

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Solution

The fourth proportional to 529,370.48, 730,235.58 and 325,279.64 is: 448,704.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,370.48 : 730,235.58 = 325,279.64 : x
  2. Step 2: Convert to fraction form
    529,370.48/730,235.58 = 325,279.64/x
  3. Step 3: Cross multiply
    529,370.48x = 730,235.58 × 325,279.64
  4. Step 4: Simplify right side
    529,370.48x = 237,530,766,577.59
  5. Step 5: Solve for x
    x = 237,530,766,577.59/529,370.48
  6. Step 6: Final answer
    x = 448,704.22

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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.