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Finding the Fourth Proportional to 786,891.96, 1,179,697.64 and 246,870.63

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Solution

The fourth proportional to 786,891.96, 1,179,697.64 and 246,870.63 is: 370,105.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,891.96 : 1,179,697.64 = 246,870.63 : x
  2. Step 2: Convert to fraction form
    786,891.96/1,179,697.64 = 246,870.63/x
  3. Step 3: Cross multiply
    786,891.96x = 1,179,697.64 × 246,870.63
  4. Step 4: Simplify right side
    786,891.96x = 291,232,698,361.96
  5. Step 5: Solve for x
    x = 291,232,698,361.96/786,891.96
  6. Step 6: Final answer
    x = 370,105.06

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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.