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Finding the Fourth Proportional to 456,116.13, 629,441.01 and 254,912.13

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Solution

The fourth proportional to 456,116.13, 629,441.01 and 254,912.13 is: 351,779.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,116.13 : 629,441.01 = 254,912.13 : x
  2. Step 2: Convert to fraction form
    456,116.13/629,441.01 = 254,912.13/x
  3. Step 3: Cross multiply
    456,116.13x = 629,441.01 × 254,912.13
  4. Step 4: Simplify right side
    456,116.13x = 160,452,148,568.45
  5. Step 5: Solve for x
    x = 160,452,148,568.45/456,116.13
  6. Step 6: Final answer
    x = 351,779.16

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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.