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Finding the Fourth Proportional to 523,621.08, 785,409.68 and 168,627.24

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Solution

The fourth proportional to 523,621.08, 785,409.68 and 168,627.24 is: 252,933.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,621.08 : 785,409.68 = 168,627.24 : x
  2. Step 2: Convert to fraction form
    523,621.08/785,409.68 = 168,627.24/x
  3. Step 3: Cross multiply
    523,621.08x = 785,409.68 × 168,627.24
  4. Step 4: Simplify right side
    523,621.08x = 132,441,466,607.68
  5. Step 5: Solve for x
    x = 132,441,466,607.68/523,621.08
  6. Step 6: Final answer
    x = 252,933.79

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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.