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Finding the Fourth Proportional to 556,866.96, 835,314.80 and 177,787.32

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Solution

The fourth proportional to 556,866.96, 835,314.80 and 177,787.32 is: 266,685.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,866.96 : 835,314.80 = 177,787.32 : x
  2. Step 2: Convert to fraction form
    556,866.96/835,314.80 = 177,787.32/x
  3. Step 3: Cross multiply
    556,866.96x = 835,314.80 × 177,787.32
  4. Step 4: Simplify right side
    556,866.96x = 148,508,378,759.40
  5. Step 5: Solve for x
    x = 148,508,378,759.40/556,866.96
  6. Step 6: Final answer
    x = 266,685.56

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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.