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Finding the Fourth Proportional to 682,660.48, 942,094.08 and 372,580

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Solution

The fourth proportional to 682,660.48, 942,094.08 and 372,580 is: 514,172.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,660.48 : 942,094.08 = 372,580 : x
  2. Step 2: Convert to fraction form
    682,660.48/942,094.08 = 372,580/x
  3. Step 3: Cross multiply
    682,660.48x = 942,094.08 × 372,580
  4. Step 4: Simplify right side
    682,660.48x = 351,005,412,326.40
  5. Step 5: Solve for x
    x = 351,005,412,326.40/682,660.48
  6. Step 6: Final answer
    x = 514,172.74

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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.