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Finding the Fourth Proportional to 702,480.78, 1,053,684.06 and 197,076.96

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Solution

The fourth proportional to 702,480.78, 1,053,684.06 and 197,076.96 is: 295,605.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,480.78 : 1,053,684.06 = 197,076.96 : x
  2. Step 2: Convert to fraction form
    702,480.78/1,053,684.06 = 197,076.96/x
  3. Step 3: Cross multiply
    702,480.78x = 1,053,684.06 × 197,076.96
  4. Step 4: Simplify right side
    702,480.78x = 207,656,851,345.26
  5. Step 5: Solve for x
    x = 207,656,851,345.26/702,480.78
  6. Step 6: Final answer
    x = 295,605.03

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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.