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Finding the Fourth Proportional to 673,679.10, 1,009,641.15 and 273,852.84

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Solution

The fourth proportional to 673,679.10, 1,009,641.15 and 273,852.84 is: 410,422.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,679.10 : 1,009,641.15 = 273,852.84 : x
  2. Step 2: Convert to fraction form
    673,679.10/1,009,641.15 = 273,852.84/x
  3. Step 3: Cross multiply
    673,679.10x = 1,009,641.15 × 273,852.84
  4. Step 4: Simplify right side
    673,679.10x = 276,493,096,308.37
  5. Step 5: Solve for x
    x = 276,493,096,308.37/673,679.10
  6. Step 6: Final answer
    x = 410,422.55

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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.