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Finding the Fourth Proportional to 363,563.34, 545,160.48 and 272,775.51

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Solution

The fourth proportional to 363,563.34, 545,160.48 and 272,775.51 is: 409,024.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,563.34 : 545,160.48 = 272,775.51 : x
  2. Step 2: Convert to fraction form
    363,563.34/545,160.48 = 272,775.51/x
  3. Step 3: Cross multiply
    363,563.34x = 545,160.48 × 272,775.51
  4. Step 4: Simplify right side
    363,563.34x = 148,706,427,963.85
  5. Step 5: Solve for x
    x = 148,706,427,963.85/363,563.34
  6. Step 6: Final answer
    x = 409,024.82

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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.