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Finding the Fourth Proportional to 361,235.51, 542,203.20 and 174,378.23

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Solution

The fourth proportional to 361,235.51, 542,203.20 and 174,378.23 is: 261,736.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,235.51 : 542,203.20 = 174,378.23 : x
  2. Step 2: Convert to fraction form
    361,235.51/542,203.20 = 174,378.23/x
  3. Step 3: Cross multiply
    361,235.51x = 542,203.20 × 174,378.23
  4. Step 4: Simplify right side
    361,235.51x = 94,548,434,316.34
  5. Step 5: Solve for x
    x = 94,548,434,316.34/361,235.51
  6. Step 6: Final answer
    x = 261,736.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.