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Finding the Fourth Proportional to 524,027.60, 785,652.60 and 168,837.20

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Solution

The fourth proportional to 524,027.60, 785,652.60 and 168,837.20 is: 253,130.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,027.60 : 785,652.60 = 168,837.20 : x
  2. Step 2: Convert to fraction form
    524,027.60/785,652.60 = 168,837.20/x
  3. Step 3: Cross multiply
    524,027.60x = 785,652.60 × 168,837.20
  4. Step 4: Simplify right side
    524,027.60x = 132,647,385,156.72
  5. Step 5: Solve for x
    x = 132,647,385,156.72/524,027.60
  6. Step 6: Final answer
    x = 253,130.53

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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.