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Finding the Fourth Proportional to 682,925.31, 942,412.22 and 376,995.12

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Solution

The fourth proportional to 682,925.31, 942,412.22 and 376,995.12 is: 520,239.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,925.31 : 942,412.22 = 376,995.12 : x
  2. Step 2: Convert to fraction form
    682,925.31/942,412.22 = 376,995.12/x
  3. Step 3: Cross multiply
    682,925.31x = 942,412.22 × 376,995.12
  4. Step 4: Simplify right side
    682,925.31x = 355,284,806,083.39
  5. Step 5: Solve for x
    x = 355,284,806,083.39/682,925.31
  6. Step 6: Final answer
    x = 520,239.62

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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.