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Finding the Fourth Proportional to 567,959.54, 783,644.37 and 347,140.94

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Solution

The fourth proportional to 567,959.54, 783,644.37 and 347,140.94 is: 478,969.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,959.54 : 783,644.37 = 347,140.94 : x
  2. Step 2: Convert to fraction form
    567,959.54/783,644.37 = 347,140.94/x
  3. Step 3: Cross multiply
    567,959.54x = 783,644.37 × 347,140.94
  4. Step 4: Simplify right side
    567,959.54x = 272,035,043,227.51
  5. Step 5: Solve for x
    x = 272,035,043,227.51/567,959.54
  6. Step 6: Final answer
    x = 478,969.05

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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.