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Finding the Fourth Proportional to 526,357.34, 789,395.83 and 147,254.56

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Solution

The fourth proportional to 526,357.34, 789,395.83 and 147,254.56 is: 220,842.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,357.34 : 789,395.83 = 147,254.56 : x
  2. Step 2: Convert to fraction form
    526,357.34/789,395.83 = 147,254.56/x
  3. Step 3: Cross multiply
    526,357.34x = 789,395.83 × 147,254.56
  4. Step 4: Simplify right side
    526,357.34x = 116,242,133,270.86
  5. Step 5: Solve for x
    x = 116,242,133,270.86/526,357.34
  6. Step 6: Final answer
    x = 220,842.62

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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.