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Finding the Fourth Proportional to 526,395.24, 789,903.90 and 194,204.52

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Solution

The fourth proportional to 526,395.24, 789,903.90 and 194,204.52 is: 291,421.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,395.24 : 789,903.90 = 194,204.52 : x
  2. Step 2: Convert to fraction form
    526,395.24/789,903.90 = 194,204.52/x
  3. Step 3: Cross multiply
    526,395.24x = 789,903.90 × 194,204.52
  4. Step 4: Simplify right side
    526,395.24x = 153,402,907,745.63
  5. Step 5: Solve for x
    x = 153,402,907,745.63/526,395.24
  6. Step 6: Final answer
    x = 291,421.53

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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.