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Finding the Fourth Proportional to 560,427.75, 840,648.96 and 186,450.75

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Solution

The fourth proportional to 560,427.75, 840,648.96 and 186,450.75 is: 279,678.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,427.75 : 840,648.96 = 186,450.75 : x
  2. Step 2: Convert to fraction form
    560,427.75/840,648.96 = 186,450.75/x
  3. Step 3: Cross multiply
    560,427.75x = 840,648.96 × 186,450.75
  4. Step 4: Simplify right side
    560,427.75x = 156,739,629,078.72
  5. Step 5: Solve for x
    x = 156,739,629,078.72/560,427.75
  6. Step 6: Final answer
    x = 279,678.57

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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.