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Finding the Fourth Proportional to 301,620.56, 416,287.56 and 174,370.16

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Solution

The fourth proportional to 301,620.56, 416,287.56 and 174,370.16 is: 240,660.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,620.56 : 416,287.56 = 174,370.16 : x
  2. Step 2: Convert to fraction form
    301,620.56/416,287.56 = 174,370.16/x
  3. Step 3: Cross multiply
    301,620.56x = 416,287.56 × 174,370.16
  4. Step 4: Simplify right side
    301,620.56x = 72,588,128,443.21
  5. Step 5: Solve for x
    x = 72,588,128,443.21/301,620.56
  6. Step 6: Final answer
    x = 240,660.41

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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.