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Finding the Fourth Proportional to 350,920.17, 483,701.09 and 274,303.89

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Solution

The fourth proportional to 350,920.17, 483,701.09 and 274,303.89 is: 378,094.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,920.17 : 483,701.09 = 274,303.89 : x
  2. Step 2: Convert to fraction form
    350,920.17/483,701.09 = 274,303.89/x
  3. Step 3: Cross multiply
    350,920.17x = 483,701.09 × 274,303.89
  4. Step 4: Simplify right side
    350,920.17x = 132,681,089,212.72
  5. Step 5: Solve for x
    x = 132,681,089,212.72/350,920.17
  6. Step 6: Final answer
    x = 378,094.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.