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Finding the Fourth Proportional to 341,431.48, 471,175.53 and 188,469.76

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Solution

The fourth proportional to 341,431.48, 471,175.53 and 188,469.76 is: 260,088.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,431.48 : 471,175.53 = 188,469.76 : x
  2. Step 2: Convert to fraction form
    341,431.48/471,175.53 = 188,469.76/x
  3. Step 3: Cross multiply
    341,431.48x = 471,175.53 × 188,469.76
  4. Step 4: Simplify right side
    341,431.48x = 88,802,339,056.97
  5. Step 5: Solve for x
    x = 88,802,339,056.97/341,431.48
  6. Step 6: Final answer
    x = 260,088.32

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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.