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Finding the Fourth Proportional to 358,858.60, 538,158.30 and 181,306.60

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Solution

The fourth proportional to 358,858.60, 538,158.30 and 181,306.60 is: 271,894.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,858.60 : 538,158.30 = 181,306.60 : x
  2. Step 2: Convert to fraction form
    358,858.60/538,158.30 = 181,306.60/x
  3. Step 3: Cross multiply
    358,858.60x = 538,158.30 × 181,306.60
  4. Step 4: Simplify right side
    358,858.60x = 97,571,651,634.78
  5. Step 5: Solve for x
    x = 97,571,651,634.78/358,858.60
  6. Step 6: Final answer
    x = 271,894.42

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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.