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Finding the Fourth Proportional to 254,457.40, 381,570.90 and 96,633.40

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Solution

The fourth proportional to 254,457.40, 381,570.90 and 96,633.40 is: 144,906.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,457.40 : 381,570.90 = 96,633.40 : x
  2. Step 2: Convert to fraction form
    254,457.40/381,570.90 = 96,633.40/x
  3. Step 3: Cross multiply
    254,457.40x = 381,570.90 × 96,633.40
  4. Step 4: Simplify right side
    254,457.40x = 36,872,493,408.06
  5. Step 5: Solve for x
    x = 36,872,493,408.06/254,457.40
  6. Step 6: Final answer
    x = 144,906.35

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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.