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Finding the Fourth Proportional to 332,836, 499,254.08 and 111,220

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Solution

The fourth proportional to 332,836, 499,254.08 and 111,220 is: 166,830.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,836 : 499,254.08 = 111,220 : x
  2. Step 2: Convert to fraction form
    332,836/499,254.08 = 111,220/x
  3. Step 3: Cross multiply
    332,836x = 499,254.08 × 111,220
  4. Step 4: Simplify right side
    332,836x = 55,527,038,777.60
  5. Step 5: Solve for x
    x = 55,527,038,777.60/332,836
  6. Step 6: Final answer
    x = 166,830.03

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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.