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Finding the Fourth Proportional to 651,194.17, 898,361.69 and 392,927.06

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Solution

The fourth proportional to 651,194.17, 898,361.69 and 392,927.06 is: 542,066.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,194.17 : 898,361.69 = 392,927.06 : x
  2. Step 2: Convert to fraction form
    651,194.17/898,361.69 = 392,927.06/x
  3. Step 3: Cross multiply
    651,194.17x = 898,361.69 × 392,927.06
  4. Step 4: Simplify right side
    651,194.17x = 352,990,618,738.28
  5. Step 5: Solve for x
    x = 352,990,618,738.28/651,194.17
  6. Step 6: Final answer
    x = 542,066.62

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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.