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Finding the Fourth Proportional to 270,352.12, 405,551.24 and 70,672.18

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Solution

The fourth proportional to 270,352.12, 405,551.24 and 70,672.18 is: 106,014.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,352.12 : 405,551.24 = 70,672.18 : x
  2. Step 2: Convert to fraction form
    270,352.12/405,551.24 = 70,672.18/x
  3. Step 3: Cross multiply
    270,352.12x = 405,551.24 × 70,672.18
  4. Step 4: Simplify right side
    270,352.12x = 28,661,191,899.76
  5. Step 5: Solve for x
    x = 28,661,191,899.76/270,352.12
  6. Step 6: Final answer
    x = 106,014.31

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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.