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Finding the Fourth Proportional to 302,611.60, 453,917.40 and 196,323.40

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Solution

The fourth proportional to 302,611.60, 453,917.40 and 196,323.40 is: 294,485.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,611.60 : 453,917.40 = 196,323.40 : x
  2. Step 2: Convert to fraction form
    302,611.60/453,917.40 = 196,323.40/x
  3. Step 3: Cross multiply
    302,611.60x = 453,917.40 × 196,323.40
  4. Step 4: Simplify right side
    302,611.60x = 89,114,607,287.16
  5. Step 5: Solve for x
    x = 89,114,607,287.16/302,611.60
  6. Step 6: Final answer
    x = 294,485.10

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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.