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Finding the Fourth Proportional to 682,076.16, 941,224.32 and 376,138.08

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Solution

The fourth proportional to 682,076.16, 941,224.32 and 376,138.08 is: 519,048.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,076.16 : 941,224.32 = 376,138.08 : x
  2. Step 2: Convert to fraction form
    682,076.16/941,224.32 = 376,138.08/x
  3. Step 3: Cross multiply
    682,076.16x = 941,224.32 × 376,138.08
  4. Step 4: Simplify right side
    682,076.16x = 354,030,308,574.11
  5. Step 5: Solve for x
    x = 354,030,308,574.11/682,076.16
  6. Step 6: Final answer
    x = 519,048.06

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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.