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Finding the Fourth Proportional to 704,237.54, 970,788.19 and 551,009.66

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Solution

The fourth proportional to 704,237.54, 970,788.19 and 551,009.66 is: 759,564.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,237.54 : 970,788.19 = 551,009.66 : x
  2. Step 2: Convert to fraction form
    704,237.54/970,788.19 = 551,009.66/x
  3. Step 3: Cross multiply
    704,237.54x = 970,788.19 × 551,009.66
  4. Step 4: Simplify right side
    704,237.54x = 534,913,673,496.62
  5. Step 5: Solve for x
    x = 534,913,673,496.62/704,237.54
  6. Step 6: Final answer
    x = 759,564.27

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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.