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Finding the Fourth Proportional to 525,995.70, 788,556.15 and 276,677.70

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Solution

The fourth proportional to 525,995.70, 788,556.15 and 276,677.70 is: 414,786.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,995.70 : 788,556.15 = 276,677.70 : x
  2. Step 2: Convert to fraction form
    525,995.70/788,556.15 = 276,677.70/x
  3. Step 3: Cross multiply
    525,995.70x = 788,556.15 × 276,677.70
  4. Step 4: Simplify right side
    525,995.70x = 218,175,901,902.86
  5. Step 5: Solve for x
    x = 218,175,901,902.86/525,995.70
  6. Step 6: Final answer
    x = 414,786.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.