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Finding the Fourth Proportional to 622,270, 933,405 and 179,038

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Solution

The fourth proportional to 622,270, 933,405 and 179,038 is: 268,557

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,270 : 933,405 = 179,038 : x
  2. Step 2: Convert to fraction form
    622,270/933,405 = 179,038/x
  3. Step 3: Cross multiply
    622,270x = 933,405 × 179,038
  4. Step 4: Simplify right side
    622,270x = 167,114,964,390
  5. Step 5: Solve for x
    x = 167,114,964,390/622,270
  6. Step 6: Final answer
    x = 268,557

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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.