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Finding the Fourth Proportional to 367,094.05, 550,477.05 and 142,379.80

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Solution

The fourth proportional to 367,094.05, 550,477.05 and 142,379.80 is: 213,506.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,094.05 : 550,477.05 = 142,379.80 : x
  2. Step 2: Convert to fraction form
    367,094.05/550,477.05 = 142,379.80/x
  3. Step 3: Cross multiply
    367,094.05x = 550,477.05 × 142,379.80
  4. Step 4: Simplify right side
    367,094.05x = 78,376,812,283.59
  5. Step 5: Solve for x
    x = 78,376,812,283.59/367,094.05
  6. Step 6: Final answer
    x = 213,506.08

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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.