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Finding the Fourth Proportional to 254,053.67, 381,080.64 and 64,528.25

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Solution

The fourth proportional to 254,053.67, 381,080.64 and 64,528.25 is: 96,792.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,053.67 : 381,080.64 = 64,528.25 : x
  2. Step 2: Convert to fraction form
    254,053.67/381,080.64 = 64,528.25/x
  3. Step 3: Cross multiply
    254,053.67x = 381,080.64 × 64,528.25
  4. Step 4: Simplify right side
    254,053.67x = 24,590,464,902.68
  5. Step 5: Solve for x
    x = 24,590,464,902.68/254,053.67
  6. Step 6: Final answer
    x = 96,792.40

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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.