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Finding the Fourth Proportional to 545,559.44, 818,688.72 and 264,923.60

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Solution

The fourth proportional to 545,559.44, 818,688.72 and 264,923.60 is: 397,555.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,559.44 : 818,688.72 = 264,923.60 : x
  2. Step 2: Convert to fraction form
    545,559.44/818,688.72 = 264,923.60/x
  3. Step 3: Cross multiply
    545,559.44x = 818,688.72 × 264,923.60
  4. Step 4: Simplify right side
    545,559.44x = 216,889,962,981.79
  5. Step 5: Solve for x
    x = 216,889,962,981.79/545,559.44
  6. Step 6: Final answer
    x = 397,555.15

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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.