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Finding the Fourth Proportional to 295,695.60, 443,543.40 and 127,296.60

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Solution

The fourth proportional to 295,695.60, 443,543.40 and 127,296.60 is: 190,944.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,695.60 : 443,543.40 = 127,296.60 : x
  2. Step 2: Convert to fraction form
    295,695.60/443,543.40 = 127,296.60/x
  3. Step 3: Cross multiply
    295,695.60x = 443,543.40 × 127,296.60
  4. Step 4: Simplify right side
    295,695.60x = 56,461,566,772.44
  5. Step 5: Solve for x
    x = 56,461,566,772.44/295,695.60
  6. Step 6: Final answer
    x = 190,944.90

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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.