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Finding the Fourth Proportional to 671,944.51, 927,273.22 and 370,138.51

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Solution

The fourth proportional to 671,944.51, 927,273.22 and 370,138.51 is: 510,785.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,944.51 : 927,273.22 = 370,138.51 : x
  2. Step 2: Convert to fraction form
    671,944.51/927,273.22 = 370,138.51/x
  3. Step 3: Cross multiply
    671,944.51x = 927,273.22 × 370,138.51
  4. Step 4: Simplify right side
    671,944.51x = 343,219,530,331.89
  5. Step 5: Solve for x
    x = 343,219,530,331.89/671,944.51
  6. Step 6: Final answer
    x = 510,785.52

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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.