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Finding the Fourth Proportional to 682,203.16, 941,444.67 and 376,287.73

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Solution

The fourth proportional to 682,203.16, 941,444.67 and 376,287.73 is: 519,279.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,203.16 : 941,444.67 = 376,287.73 : x
  2. Step 2: Convert to fraction form
    682,203.16/941,444.67 = 376,287.73/x
  3. Step 3: Cross multiply
    682,203.16x = 941,444.67 × 376,287.73
  4. Step 4: Simplify right side
    682,203.16x = 354,254,076,852.37
  5. Step 5: Solve for x
    x = 354,254,076,852.37/682,203.16
  6. Step 6: Final answer
    x = 519,279.44

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Double scale
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Similar ratio
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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.