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Finding the Fourth Proportional to 258,052.94, 386,642.62 and 158,004.22

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Solution

The fourth proportional to 258,052.94, 386,642.62 and 158,004.22 is: 236,738.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,052.94 : 386,642.62 = 158,004.22 : x
  2. Step 2: Convert to fraction form
    258,052.94/386,642.62 = 158,004.22/x
  3. Step 3: Cross multiply
    258,052.94x = 386,642.62 × 158,004.22
  4. Step 4: Simplify right side
    258,052.94x = 61,091,164,658.94
  5. Step 5: Solve for x
    x = 61,091,164,658.94/258,052.94
  6. Step 6: Final answer
    x = 236,738.88

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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.