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Finding the Fourth Proportional to 702,427.72, 1,053,604.68 and 197,023.72

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Solution

The fourth proportional to 702,427.72, 1,053,604.68 and 197,023.72 is: 295,525.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,427.72 : 1,053,604.68 = 197,023.72 : x
  2. Step 2: Convert to fraction form
    702,427.72/1,053,604.68 = 197,023.72/x
  3. Step 3: Cross multiply
    702,427.72x = 1,053,604.68 × 197,023.72
  4. Step 4: Simplify right side
    702,427.72x = 207,585,113,463.01
  5. Step 5: Solve for x
    x = 207,585,113,463.01/702,427.72
  6. Step 6: Final answer
    x = 295,525.23

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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.