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Finding the Fourth Proportional to 545,693.37, 818,501.93 and 204,071.78

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Solution

The fourth proportional to 545,693.37, 818,501.93 and 204,071.78 is: 306,093.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,693.37 : 818,501.93 = 204,071.78 : x
  2. Step 2: Convert to fraction form
    545,693.37/818,501.93 = 204,071.78/x
  3. Step 3: Cross multiply
    545,693.37x = 818,501.93 × 204,071.78
  4. Step 4: Simplify right side
    545,693.37x = 167,033,140,675.67
  5. Step 5: Solve for x
    x = 167,033,140,675.67/545,693.37
  6. Step 6: Final answer
    x = 306,093.40

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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.