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Finding the Fourth Proportional to 294,989.00, 442,483.74 and 126,399.96

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Solution

The fourth proportional to 294,989.00, 442,483.74 and 126,399.96 is: 189,600.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,989.00 : 442,483.74 = 126,399.96 : x
  2. Step 2: Convert to fraction form
    294,989.00/442,483.74 = 126,399.96/x
  3. Step 3: Cross multiply
    294,989.00x = 442,483.74 × 126,399.96
  4. Step 4: Simplify right side
    294,989.00x = 55,929,927,036.65
  5. Step 5: Solve for x
    x = 55,929,927,036.65/294,989.00
  6. Step 6: Final answer
    x = 189,600.05

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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.