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Finding the Fourth Proportional to 373,409.10, 514,896.93 and 252,340.38

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Solution

The fourth proportional to 373,409.10, 514,896.93 and 252,340.38 is: 347,954.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,409.10 : 514,896.93 = 252,340.38 : x
  2. Step 2: Convert to fraction form
    373,409.10/514,896.93 = 252,340.38/x
  3. Step 3: Cross multiply
    373,409.10x = 514,896.93 × 252,340.38
  4. Step 4: Simplify right side
    373,409.10x = 129,929,286,977.03
  5. Step 5: Solve for x
    x = 129,929,286,977.03/373,409.10
  6. Step 6: Final answer
    x = 347,954.26

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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.