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Finding the Fourth Proportional to 545,796.96, 818,812.08 and 412,730.16

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Solution

The fourth proportional to 545,796.96, 818,812.08 and 412,730.16 is: 619,183.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,796.96 : 818,812.08 = 412,730.16 : x
  2. Step 2: Convert to fraction form
    545,796.96/818,812.08 = 412,730.16/x
  3. Step 3: Cross multiply
    545,796.96x = 818,812.08 × 412,730.16
  4. Step 4: Simplify right side
    545,796.96x = 337,948,440,788.33
  5. Step 5: Solve for x
    x = 337,948,440,788.33/545,796.96
  6. Step 6: Final answer
    x = 619,183.44

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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.