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Finding the Fourth Proportional to 442,916.06, 663,756.44 and 334,756.62

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Solution

The fourth proportional to 442,916.06, 663,756.44 and 334,756.62 is: 501,668.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,916.06 : 663,756.44 = 334,756.62 : x
  2. Step 2: Convert to fraction form
    442,916.06/663,756.44 = 334,756.62/x
  3. Step 3: Cross multiply
    442,916.06x = 663,756.44 × 334,756.62
  4. Step 4: Simplify right side
    442,916.06x = 222,196,860,683.85
  5. Step 5: Solve for x
    x = 222,196,860,683.85/442,916.06
  6. Step 6: Final answer
    x = 501,668.11

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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.