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Finding the Fourth Proportional to 505,870.68, 698,093.08 and 276,422.92

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Solution

The fourth proportional to 505,870.68, 698,093.08 and 276,422.92 is: 381,459.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,870.68 : 698,093.08 = 276,422.92 : x
  2. Step 2: Convert to fraction form
    505,870.68/698,093.08 = 276,422.92/x
  3. Step 3: Cross multiply
    505,870.68x = 698,093.08 × 276,422.92
  4. Step 4: Simplify right side
    505,870.68x = 192,968,927,605.39
  5. Step 5: Solve for x
    x = 192,968,927,605.39/505,870.68
  6. Step 6: Final answer
    x = 381,459.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.