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Finding the Fourth Proportional to 351,376.72, 484,900.72 and 190,233.52

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Solution

The fourth proportional to 351,376.72, 484,900.72 and 190,233.52 is: 262,522.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,376.72 : 484,900.72 = 190,233.52 : x
  2. Step 2: Convert to fraction form
    351,376.72/484,900.72 = 190,233.52/x
  3. Step 3: Cross multiply
    351,376.72x = 484,900.72 × 190,233.52
  4. Step 4: Simplify right side
    351,376.72x = 92,244,370,816.13
  5. Step 5: Solve for x
    x = 92,244,370,816.13/351,376.72
  6. Step 6: Final answer
    x = 262,522.72

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1.5x scale

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.