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Finding the Fourth Proportional to 682,278.06, 941,544.63 and 376,347.54

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Solution

The fourth proportional to 682,278.06, 941,544.63 and 376,347.54 is: 519,360.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,278.06 : 941,544.63 = 376,347.54 : x
  2. Step 2: Convert to fraction form
    682,278.06/941,544.63 = 376,347.54/x
  3. Step 3: Cross multiply
    682,278.06x = 941,544.63 × 376,347.54
  4. Step 4: Simplify right side
    682,278.06x = 354,348,005,300.71
  5. Step 5: Solve for x
    x = 354,348,005,300.71/682,278.06
  6. Step 6: Final answer
    x = 519,360.11

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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.