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Finding the Fourth Proportional to 351,393.30, 484,916.88 and 190,247.04

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Solution

The fourth proportional to 351,393.30, 484,916.88 and 190,247.04 is: 262,537.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,393.30 : 484,916.88 = 190,247.04 : x
  2. Step 2: Convert to fraction form
    351,393.30/484,916.88 = 190,247.04/x
  3. Step 3: Cross multiply
    351,393.30x = 484,916.88 × 190,247.04
  4. Step 4: Simplify right side
    351,393.30x = 92,254,001,066.04
  5. Step 5: Solve for x
    x = 92,254,001,066.04/351,393.30
  6. Step 6: Final answer
    x = 262,537.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.