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Finding the Fourth Proportional to 655,505.42, 982,776.98 and 276,410.84

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Solution

The fourth proportional to 655,505.42, 982,776.98 and 276,410.84 is: 414,413.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,505.42 : 982,776.98 = 276,410.84 : x
  2. Step 2: Convert to fraction form
    655,505.42/982,776.98 = 276,410.84/x
  3. Step 3: Cross multiply
    655,505.42x = 982,776.98 × 276,410.84
  4. Step 4: Simplify right side
    655,505.42x = 271,650,210,574.46
  5. Step 5: Solve for x
    x = 271,650,210,574.46/655,505.42
  6. Step 6: Final answer
    x = 414,413.37

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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.