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Finding the Fourth Proportional to 545,557.01, 818,464.30 and 171,580.01

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Solution

The fourth proportional to 545,557.01, 818,464.30 and 171,580.01 is: 257,410.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,557.01 : 818,464.30 = 171,580.01 : x
  2. Step 2: Convert to fraction form
    545,557.01/818,464.30 = 171,580.01/x
  3. Step 3: Cross multiply
    545,557.01x = 818,464.30 × 171,580.01
  4. Step 4: Simplify right side
    545,557.01x = 140,432,108,257.37
  5. Step 5: Solve for x
    x = 140,432,108,257.37/545,557.01
  6. Step 6: Final answer
    x = 257,410.51

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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.