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Finding the Fourth Proportional to 614,745.44, 848,352.42 and 342,830.54

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Solution

The fourth proportional to 614,745.44, 848,352.42 and 342,830.54 is: 473,108.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,745.44 : 848,352.42 = 342,830.54 : x
  2. Step 2: Convert to fraction form
    614,745.44/848,352.42 = 342,830.54/x
  3. Step 3: Cross multiply
    614,745.44x = 848,352.42 × 342,830.54
  4. Step 4: Simplify right side
    614,745.44x = 290,841,118,258.91
  5. Step 5: Solve for x
    x = 290,841,118,258.91/614,745.44
  6. Step 6: Final answer
    x = 473,108.22

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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.