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Finding the Fourth Proportional to 281,498.58, 422,070.48 and 238,818.92

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Solution

The fourth proportional to 281,498.58, 422,070.48 and 238,818.92 is: 358,077.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,498.58 : 422,070.48 = 238,818.92 : x
  2. Step 2: Convert to fraction form
    281,498.58/422,070.48 = 238,818.92/x
  3. Step 3: Cross multiply
    281,498.58x = 422,070.48 × 238,818.92
  4. Step 4: Simplify right side
    281,498.58x = 100,798,416,197.48
  5. Step 5: Solve for x
    x = 100,798,416,197.48/281,498.58
  6. Step 6: Final answer
    x = 358,077.89

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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.