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Finding the Fourth Proportional to 545,871.78, 753,615.63 and 364,890.24

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Solution

The fourth proportional to 545,871.78, 753,615.63 and 364,890.24 is: 503,757.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,871.78 : 753,615.63 = 364,890.24 : x
  2. Step 2: Convert to fraction form
    545,871.78/753,615.63 = 364,890.24/x
  3. Step 3: Cross multiply
    545,871.78x = 753,615.63 × 364,890.24
  4. Step 4: Simplify right side
    545,871.78x = 274,986,988,098.45
  5. Step 5: Solve for x
    x = 274,986,988,098.45/545,871.78
  6. Step 6: Final answer
    x = 503,757.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.