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Finding the Fourth Proportional to 682,599.96, 942,175.31 and 396,212.31

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Solution

The fourth proportional to 682,599.96, 942,175.31 and 396,212.31 is: 546,881.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,599.96 : 942,175.31 = 396,212.31 : x
  2. Step 2: Convert to fraction form
    682,599.96/942,175.31 = 396,212.31/x
  3. Step 3: Cross multiply
    682,599.96x = 942,175.31 × 396,212.31
  4. Step 4: Simplify right side
    682,599.96x = 373,301,454,019.01
  5. Step 5: Solve for x
    x = 373,301,454,019.01/682,599.96
  6. Step 6: Final answer
    x = 546,881.74

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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.