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Finding the Fourth Proportional to 295,655.60, 443,483.40 and 127,256.60

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Solution

The fourth proportional to 295,655.60, 443,483.40 and 127,256.60 is: 190,884.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,655.60 : 443,483.40 = 127,256.60 : x
  2. Step 2: Convert to fraction form
    295,655.60/443,483.40 = 127,256.60/x
  3. Step 3: Cross multiply
    295,655.60x = 443,483.40 × 127,256.60
  4. Step 4: Simplify right side
    295,655.60x = 56,436,189,640.44
  5. Step 5: Solve for x
    x = 56,436,189,640.44/295,655.60
  6. Step 6: Final answer
    x = 190,884.90

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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.