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Finding the Fourth Proportional to 545,902.40, 818,707.80 and 166,822.40

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Solution

The fourth proportional to 545,902.40, 818,707.80 and 166,822.40 is: 250,189.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,902.40 : 818,707.80 = 166,822.40 : x
  2. Step 2: Convert to fraction form
    545,902.40/818,707.80 = 166,822.40/x
  3. Step 3: Cross multiply
    545,902.40x = 818,707.80 × 166,822.40
  4. Step 4: Simplify right side
    545,902.40x = 136,578,800,094.72
  5. Step 5: Solve for x
    x = 136,578,800,094.72/545,902.40
  6. Step 6: Final answer
    x = 250,189.04

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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.