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Finding the Fourth Proportional to 468,161.16, 645,878.56 and 271,894.23

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Solution

The fourth proportional to 468,161.16, 645,878.56 and 271,894.23 is: 375,107.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,161.16 : 645,878.56 = 271,894.23 : x
  2. Step 2: Convert to fraction form
    468,161.16/645,878.56 = 271,894.23/x
  3. Step 3: Cross multiply
    468,161.16x = 645,878.56 × 271,894.23
  4. Step 4: Simplify right side
    468,161.16x = 175,610,653,744.71
  5. Step 5: Solve for x
    x = 175,610,653,744.71/468,161.16
  6. Step 6: Final answer
    x = 375,107.27

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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.