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Finding the Fourth Proportional to 613,837.68, 920,754.48 and 276,483.44

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Solution

The fourth proportional to 613,837.68, 920,754.48 and 276,483.44 is: 414,724.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,837.68 : 920,754.48 = 276,483.44 : x
  2. Step 2: Convert to fraction form
    613,837.68/920,754.48 = 276,483.44/x
  3. Step 3: Cross multiply
    613,837.68x = 920,754.48 × 276,483.44
  4. Step 4: Simplify right side
    613,837.68x = 254,573,366,025.81
  5. Step 5: Solve for x
    x = 254,573,366,025.81/613,837.68
  6. Step 6: Final answer
    x = 414,724.24

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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.