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Finding the Fourth Proportional to 404,328.10, 606,492.15 and 254,737.30

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Solution

The fourth proportional to 404,328.10, 606,492.15 and 254,737.30 is: 382,105.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,328.10 : 606,492.15 = 254,737.30 : x
  2. Step 2: Convert to fraction form
    404,328.10/606,492.15 = 254,737.30/x
  3. Step 3: Cross multiply
    404,328.10x = 606,492.15 × 254,737.30
  4. Step 4: Simplify right side
    404,328.10x = 154,496,172,762.20
  5. Step 5: Solve for x
    x = 154,496,172,762.20/404,328.10
  6. Step 6: Final answer
    x = 382,105.95

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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.