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Finding the Fourth Proportional to 468,160.16, 645,877.19 and 271,893.23

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Solution

The fourth proportional to 468,160.16, 645,877.19 and 271,893.23 is: 375,105.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,160.16 : 645,877.19 = 271,893.23 : x
  2. Step 2: Convert to fraction form
    468,160.16/645,877.19 = 271,893.23/x
  3. Step 3: Cross multiply
    468,160.16x = 645,877.19 × 271,893.23
  4. Step 4: Simplify right side
    468,160.16x = 175,609,630,783.57
  5. Step 5: Solve for x
    x = 175,609,630,783.57/468,160.16
  6. Step 6: Final answer
    x = 375,105.89

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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.