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Finding the Fourth Proportional to 294,919.60, 442,379.70 and 73,303.60

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Solution

The fourth proportional to 294,919.60, 442,379.70 and 73,303.60 is: 109,955.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,919.60 : 442,379.70 = 73,303.60 : x
  2. Step 2: Convert to fraction form
    294,919.60/442,379.70 = 73,303.60/x
  3. Step 3: Cross multiply
    294,919.60x = 442,379.70 × 73,303.60
  4. Step 4: Simplify right side
    294,919.60x = 32,428,024,576.92
  5. Step 5: Solve for x
    x = 32,428,024,576.92/294,919.60
  6. Step 6: Final answer
    x = 109,955.47

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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.