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Finding the Fourth Proportional to 295,862.40, 443,793.60 and 205,320.60

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Solution

The fourth proportional to 295,862.40, 443,793.60 and 205,320.60 is: 307,980.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,862.40 : 443,793.60 = 205,320.60 : x
  2. Step 2: Convert to fraction form
    295,862.40/443,793.60 = 205,320.60/x
  3. Step 3: Cross multiply
    295,862.40x = 443,793.60 × 205,320.60
  4. Step 4: Simplify right side
    295,862.40x = 91,119,968,228.16
  5. Step 5: Solve for x
    x = 91,119,968,228.16/295,862.40
  6. Step 6: Final answer
    x = 307,980.90

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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.