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Finding the Fourth Proportional to 442,292.56, 609,745.32 and 374,035.06

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Solution

The fourth proportional to 442,292.56, 609,745.32 and 374,035.06 is: 515,645.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,292.56 : 609,745.32 = 374,035.06 : x
  2. Step 2: Convert to fraction form
    442,292.56/609,745.32 = 374,035.06/x
  3. Step 3: Cross multiply
    442,292.56x = 609,745.32 × 374,035.06
  4. Step 4: Simplify right side
    442,292.56x = 228,066,127,350.92
  5. Step 5: Solve for x
    x = 228,066,127,350.92/442,292.56
  6. Step 6: Final answer
    x = 515,645.41

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1.5x scale

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.