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Finding the Fourth Proportional to 351,364.86, 484,883.40 and 190,219.80

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Solution

The fourth proportional to 351,364.86, 484,883.40 and 190,219.80 is: 262,503.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,364.86 : 484,883.40 = 190,219.80 : x
  2. Step 2: Convert to fraction form
    351,364.86/484,883.40 = 190,219.80/x
  3. Step 3: Cross multiply
    351,364.86x = 484,883.40 × 190,219.80
  4. Step 4: Simplify right side
    351,364.86x = 92,234,423,371.32
  5. Step 5: Solve for x
    x = 92,234,423,371.32/351,364.86
  6. Step 6: Final answer
    x = 262,503.27

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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.