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Finding the Fourth Proportional to 671,826.44, 927,120.49 and 370,020.44

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Solution

The fourth proportional to 671,826.44, 927,120.49 and 370,020.44 is: 510,628.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,826.44 : 927,120.49 = 370,020.44 : x
  2. Step 2: Convert to fraction form
    671,826.44/927,120.49 = 370,020.44/x
  3. Step 3: Cross multiply
    671,826.44x = 927,120.49 × 370,020.44
  4. Step 4: Simplify right side
    671,826.44x = 343,053,531,642.82
  5. Step 5: Solve for x
    x = 343,053,531,642.82/671,826.44
  6. Step 6: Final answer
    x = 510,628.21

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Double scale
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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.