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Finding the Fourth Proportional to 556,977.88, 835,602.90 and 177,898.69

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Solution

The fourth proportional to 556,977.88, 835,602.90 and 177,898.69 is: 266,891.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,977.88 : 835,602.90 = 177,898.69 : x
  2. Step 2: Convert to fraction form
    556,977.88/835,602.90 = 177,898.69/x
  3. Step 3: Cross multiply
    556,977.88x = 835,602.90 × 177,898.69
  4. Step 4: Simplify right side
    556,977.88x = 148,652,661,270.20
  5. Step 5: Solve for x
    x = 148,652,661,270.20/556,977.88
  6. Step 6: Final answer
    x = 266,891.50

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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.