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Finding the Fourth Proportional to 427,967.39, 590,594.58 and 236,980.78

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Solution

The fourth proportional to 427,967.39, 590,594.58 and 236,980.78 is: 327,033.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,967.39 : 590,594.58 = 236,980.78 : x
  2. Step 2: Convert to fraction form
    427,967.39/590,594.58 = 236,980.78/x
  3. Step 3: Cross multiply
    427,967.39x = 590,594.58 × 236,980.78
  4. Step 4: Simplify right side
    427,967.39x = 139,959,562,755.69
  5. Step 5: Solve for x
    x = 139,959,562,755.69/427,967.39
  6. Step 6: Final answer
    x = 327,033.24

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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.