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Finding the Fourth Proportional to 295,665.60, 443,498.40 and 127,266.60

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Solution

The fourth proportional to 295,665.60, 443,498.40 and 127,266.60 is: 190,899.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,665.60 : 443,498.40 = 127,266.60 : x
  2. Step 2: Convert to fraction form
    295,665.60/443,498.40 = 127,266.60/x
  3. Step 3: Cross multiply
    295,665.60x = 443,498.40 × 127,266.60
  4. Step 4: Simplify right side
    295,665.60x = 56,442,533,473.44
  5. Step 5: Solve for x
    x = 56,442,533,473.44/295,665.60
  6. Step 6: Final answer
    x = 190,899.90

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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.