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Finding the Fourth Proportional to 591,902.16, 816,638.88 and 362,220

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Solution

The fourth proportional to 591,902.16, 816,638.88 and 362,220 is: 499,749.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,902.16 : 816,638.88 = 362,220 : x
  2. Step 2: Convert to fraction form
    591,902.16/816,638.88 = 362,220/x
  3. Step 3: Cross multiply
    591,902.16x = 816,638.88 × 362,220
  4. Step 4: Simplify right side
    591,902.16x = 295,802,935,113.60
  5. Step 5: Solve for x
    x = 295,802,935,113.60/591,902.16
  6. Step 6: Final answer
    x = 499,749.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.