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Finding the Fourth Proportional to 522,577.22, 721,310.02 and 341,316.86

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Solution

The fourth proportional to 522,577.22, 721,310.02 and 341,316.86 is: 471,117.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,577.22 : 721,310.02 = 341,316.86 : x
  2. Step 2: Convert to fraction form
    522,577.22/721,310.02 = 341,316.86/x
  3. Step 3: Cross multiply
    522,577.22x = 721,310.02 × 341,316.86
  4. Step 4: Simplify right side
    522,577.22x = 246,195,271,112.94
  5. Step 5: Solve for x
    x = 246,195,271,112.94/522,577.22
  6. Step 6: Final answer
    x = 471,117.50

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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.