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Finding the Fourth Proportional to 655,362.11, 983,425.28 and 276,259.64

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Solution

The fourth proportional to 655,362.11, 983,425.28 and 276,259.64 is: 414,550.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,362.11 : 983,425.28 = 276,259.64 : x
  2. Step 2: Convert to fraction form
    655,362.11/983,425.28 = 276,259.64/x
  3. Step 3: Cross multiply
    655,362.11x = 983,425.28 × 276,259.64
  4. Step 4: Simplify right side
    655,362.11x = 271,680,707,521.28
  5. Step 5: Solve for x
    x = 271,680,707,521.28/655,362.11
  6. Step 6: Final answer
    x = 414,550.53

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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.