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Finding the Fourth Proportional to 456,244.44, 684,483.36 and 189,916.44

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Solution

The fourth proportional to 456,244.44, 684,483.36 and 189,916.44 is: 284,923.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,244.44 : 684,483.36 = 189,916.44 : x
  2. Step 2: Convert to fraction form
    456,244.44/684,483.36 = 189,916.44/x
  3. Step 3: Cross multiply
    456,244.44x = 684,483.36 × 189,916.44
  4. Step 4: Simplify right side
    456,244.44x = 129,994,642,970.44
  5. Step 5: Solve for x
    x = 129,994,642,970.44/456,244.44
  6. Step 6: Final answer
    x = 284,923.24

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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.