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Finding the Fourth Proportional to 272,596.47, 376,195.53 and 151,745.42

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Solution

The fourth proportional to 272,596.47, 376,195.53 and 151,745.42 is: 209,415.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,596.47 : 376,195.53 = 151,745.42 : x
  2. Step 2: Convert to fraction form
    272,596.47/376,195.53 = 151,745.42/x
  3. Step 3: Cross multiply
    272,596.47x = 376,195.53 × 151,745.42
  4. Step 4: Simplify right side
    272,596.47x = 57,085,948,701.97
  5. Step 5: Solve for x
    x = 57,085,948,701.97/272,596.47
  6. Step 6: Final answer
    x = 209,415.58

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1.5x scale

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.