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Finding the Fourth Proportional to 546,145.55, 818,649.94 and 305,907.23

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Solution

The fourth proportional to 546,145.55, 818,649.94 and 305,907.23 is: 458,542.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,145.55 : 818,649.94 = 305,907.23 : x
  2. Step 2: Convert to fraction form
    546,145.55/818,649.94 = 305,907.23/x
  3. Step 3: Cross multiply
    546,145.55x = 818,649.94 × 305,907.23
  4. Step 4: Simplify right side
    546,145.55x = 250,430,935,485.07
  5. Step 5: Solve for x
    x = 250,430,935,485.07/546,145.55
  6. Step 6: Final answer
    x = 458,542.48

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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.