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Finding the Fourth Proportional to 540,183.84, 810,149.76 and 161,069.76

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Solution

The fourth proportional to 540,183.84, 810,149.76 and 161,069.76 is: 241,567.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,183.84 : 810,149.76 = 161,069.76 : x
  2. Step 2: Convert to fraction form
    540,183.84/810,149.76 = 161,069.76/x
  3. Step 3: Cross multiply
    540,183.84x = 810,149.76 × 161,069.76
  4. Step 4: Simplify right side
    540,183.84x = 130,490,627,407.26
  5. Step 5: Solve for x
    x = 130,490,627,407.26/540,183.84
  6. Step 6: Final answer
    x = 241,567.07

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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.