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Finding the Fourth Proportional to 263,175.84, 363,154.32 and 155,750.40

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Solution

The fourth proportional to 263,175.84, 363,154.32 and 155,750.40 is: 214,918.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,175.84 : 363,154.32 = 155,750.40 : x
  2. Step 2: Convert to fraction form
    263,175.84/363,154.32 = 155,750.40/x
  3. Step 3: Cross multiply
    263,175.84x = 363,154.32 × 155,750.40
  4. Step 4: Simplify right side
    263,175.84x = 56,561,430,601.73
  5. Step 5: Solve for x
    x = 56,561,430,601.73/263,175.84
  6. Step 6: Final answer
    x = 214,918.78

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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.