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Finding the Fourth Proportional to 375,367.84, 518,016.04 and 214,219.68

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Solution

The fourth proportional to 375,367.84, 518,016.04 and 214,219.68 is: 295,627.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,367.84 : 518,016.04 = 214,219.68 : x
  2. Step 2: Convert to fraction form
    375,367.84/518,016.04 = 214,219.68/x
  3. Step 3: Cross multiply
    375,367.84x = 518,016.04 × 214,219.68
  4. Step 4: Simplify right side
    375,367.84x = 110,969,230,323.67
  5. Step 5: Solve for x
    x = 110,969,230,323.67/375,367.84
  6. Step 6: Final answer
    x = 295,627.96

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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.