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Finding the Fourth Proportional to 351,351.95, 484,863.47 and 190,205.82

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Solution

The fourth proportional to 351,351.95, 484,863.47 and 190,205.82 is: 262,482.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,351.95 : 484,863.47 = 190,205.82 : x
  2. Step 2: Convert to fraction form
    351,351.95/484,863.47 = 190,205.82/x
  3. Step 3: Cross multiply
    351,351.95x = 484,863.47 × 190,205.82
  4. Step 4: Simplify right side
    351,351.95x = 92,223,853,661.64
  5. Step 5: Solve for x
    x = 92,223,853,661.64/351,351.95
  6. Step 6: Final answer
    x = 262,482.83

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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.