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Finding the Fourth Proportional to 291,940.56, 402,905.88 and 183,062.24

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Solution

The fourth proportional to 291,940.56, 402,905.88 and 183,062.24 is: 252,643.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,940.56 : 402,905.88 = 183,062.24 : x
  2. Step 2: Convert to fraction form
    291,940.56/402,905.88 = 183,062.24/x
  3. Step 3: Cross multiply
    291,940.56x = 402,905.88 × 183,062.24
  4. Step 4: Simplify right side
    291,940.56x = 73,756,852,901.97
  5. Step 5: Solve for x
    x = 73,756,852,901.97/291,940.56
  6. Step 6: Final answer
    x = 252,643.39

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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.