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Finding the Fourth Proportional to 1,334.02, 1,999.99 and 603.08

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Solution

The fourth proportional to 1,334.02, 1,999.99 and 603.08 is: 904.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334.02 : 1,999.99 = 603.08 : x
  2. Step 2: Convert to fraction form
    1,334.02/1,999.99 = 603.08/x
  3. Step 3: Cross multiply
    1,334.02x = 1,999.99 × 603.08
  4. Step 4: Simplify right side
    1,334.02x = 1,206,153.97
  5. Step 5: Solve for x
    x = 1,206,153.97/1,334.02
  6. Step 6: Final answer
    x = 904.15

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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.