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Finding the Fourth Proportional to 351,271.50, 484,622.37 and 230,479.44

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Solution

The fourth proportional to 351,271.50, 484,622.37 and 230,479.44 is: 317,974.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,271.50 : 484,622.37 = 230,479.44 : x
  2. Step 2: Convert to fraction form
    351,271.50/484,622.37 = 230,479.44/x
  3. Step 3: Cross multiply
    351,271.50x = 484,622.37 × 230,479.44
  4. Step 4: Simplify right side
    351,271.50x = 111,695,492,449.07
  5. Step 5: Solve for x
    x = 111,695,492,449.07/351,271.50
  6. Step 6: Final answer
    x = 317,974.82

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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.