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Finding the Fourth Proportional to 545,768.52, 818,740.26 and 230,271.90

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Solution

The fourth proportional to 545,768.52, 818,740.26 and 230,271.90 is: 345,444.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,768.52 : 818,740.26 = 230,271.90 : x
  2. Step 2: Convert to fraction form
    545,768.52/818,740.26 = 230,271.90/x
  3. Step 3: Cross multiply
    545,768.52x = 818,740.26 × 230,271.90
  4. Step 4: Simplify right side
    545,768.52x = 188,532,875,276.69
  5. Step 5: Solve for x
    x = 188,532,875,276.69/545,768.52
  6. Step 6: Final answer
    x = 345,444.76

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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.