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Finding the Fourth Proportional to 313,146.68, 469,714.52 and 216,995.22

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Solution

The fourth proportional to 313,146.68, 469,714.52 and 216,995.22 is: 325,489.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,146.68 : 469,714.52 = 216,995.22 : x
  2. Step 2: Convert to fraction form
    313,146.68/469,714.52 = 216,995.22/x
  3. Step 3: Cross multiply
    313,146.68x = 469,714.52 × 216,995.22
  4. Step 4: Simplify right side
    313,146.68x = 101,925,804,519.62
  5. Step 5: Solve for x
    x = 101,925,804,519.62/313,146.68
  6. Step 6: Final answer
    x = 325,489.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.