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Finding the Fourth Proportional to 610,415.52, 914,442.48 and 343,364.64

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Solution

The fourth proportional to 610,415.52, 914,442.48 and 343,364.64 is: 514,382.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,415.52 : 914,442.48 = 343,364.64 : x
  2. Step 2: Convert to fraction form
    610,415.52/914,442.48 = 343,364.64/x
  3. Step 3: Cross multiply
    610,415.52x = 914,442.48 × 343,364.64
  4. Step 4: Simplify right side
    610,415.52x = 313,987,212,945.91
  5. Step 5: Solve for x
    x = 313,987,212,945.91/610,415.52
  6. Step 6: Final answer
    x = 514,382.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.