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Finding the Fourth Proportional to 514,315.26, 771,596.01 and 214,629.12

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Solution

The fourth proportional to 514,315.26, 771,596.01 and 214,629.12 is: 321,995.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,315.26 : 771,596.01 = 214,629.12 : x
  2. Step 2: Convert to fraction form
    514,315.26/771,596.01 = 214,629.12/x
  3. Step 3: Cross multiply
    514,315.26x = 771,596.01 × 214,629.12
  4. Step 4: Simplify right side
    514,315.26x = 165,606,972,621.81
  5. Step 5: Solve for x
    x = 165,606,972,621.81/514,315.26
  6. Step 6: Final answer
    x = 321,995.06

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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.