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Finding the Fourth Proportional to 263,270.70, 369,512.10 and 263,270.70

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Solution

The fourth proportional to 263,270.70, 369,512.10 and 263,270.70 is: 369,512.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,270.70 : 369,512.10 = 263,270.70 : x
  2. Step 2: Convert to fraction form
    263,270.70/369,512.10 = 263,270.70/x
  3. Step 3: Cross multiply
    263,270.70x = 369,512.10 × 263,270.70
  4. Step 4: Simplify right side
    263,270.70x = 97,281,709,225.47
  5. Step 5: Solve for x
    x = 97,281,709,225.47/263,270.70
  6. Step 6: Final answer
    x = 369,512.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.