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Finding the Fourth Proportional to 556,796.32, 768,708.93 and 366,138.52

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Solution

The fourth proportional to 556,796.32, 768,708.93 and 366,138.52 is: 505,488.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,796.32 : 768,708.93 = 366,138.52 : x
  2. Step 2: Convert to fraction form
    556,796.32/768,708.93 = 366,138.52/x
  3. Step 3: Cross multiply
    556,796.32x = 768,708.93 × 366,138.52
  4. Step 4: Simplify right side
    556,796.32x = 281,453,949,940.98
  5. Step 5: Solve for x
    x = 281,453,949,940.98/556,796.32
  6. Step 6: Final answer
    x = 505,488.16

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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.