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Finding the Fourth Proportional to 294,558.60, 442,068.30 and 136,806.60

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Solution

The fourth proportional to 294,558.60, 442,068.30 and 136,806.60 is: 205,316.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,558.60 : 442,068.30 = 136,806.60 : x
  2. Step 2: Convert to fraction form
    294,558.60/442,068.30 = 136,806.60/x
  3. Step 3: Cross multiply
    294,558.60x = 442,068.30 × 136,806.60
  4. Step 4: Simplify right side
    294,558.60x = 60,477,861,090.78
  5. Step 5: Solve for x
    x = 60,477,861,090.78/294,558.60
  6. Step 6: Final answer
    x = 205,316.91

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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.