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Finding the Fourth Proportional to 556,978.88, 835,604.40 and 177,899.69

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Solution

The fourth proportional to 556,978.88, 835,604.40 and 177,899.69 is: 266,893.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,978.88 : 835,604.40 = 177,899.69 : x
  2. Step 2: Convert to fraction form
    556,978.88/835,604.40 = 177,899.69/x
  3. Step 3: Cross multiply
    556,978.88x = 835,604.40 × 177,899.69
  4. Step 4: Simplify right side
    556,978.88x = 148,653,763,722.64
  5. Step 5: Solve for x
    x = 148,653,763,722.64/556,978.88
  6. Step 6: Final answer
    x = 266,893.00

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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.