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Finding the Fourth Proportional to 291,993.44, 437,989.34 and 70,377.44

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Solution

The fourth proportional to 291,993.44, 437,989.34 and 70,377.44 is: 105,565.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,993.44 : 437,989.34 = 70,377.44 : x
  2. Step 2: Convert to fraction form
    291,993.44/437,989.34 = 70,377.44/x
  3. Step 3: Cross multiply
    291,993.44x = 437,989.34 × 70,377.44
  4. Step 4: Simplify right side
    291,993.44x = 30,824,566,482.49
  5. Step 5: Solve for x
    x = 30,824,566,482.49/291,993.44
  6. Step 6: Final answer
    x = 105,565.96

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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.