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Finding the Fourth Proportional to 556,324.64, 834,552.12 and 177,112.56

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Solution

The fourth proportional to 556,324.64, 834,552.12 and 177,112.56 is: 265,689.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,324.64 : 834,552.12 = 177,112.56 : x
  2. Step 2: Convert to fraction form
    556,324.64/834,552.12 = 177,112.56/x
  3. Step 3: Cross multiply
    556,324.64x = 834,552.12 × 177,112.56
  4. Step 4: Simplify right side
    556,324.64x = 147,809,662,426.63
  5. Step 5: Solve for x
    x = 147,809,662,426.63/556,324.64
  6. Step 6: Final answer
    x = 265,689.58

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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.