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Finding the Fourth Proportional to 556,976.88, 835,601.40 and 177,897.69

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Solution

The fourth proportional to 556,976.88, 835,601.40 and 177,897.69 is: 266,890.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,976.88 : 835,601.40 = 177,897.69 : x
  2. Step 2: Convert to fraction form
    556,976.88/835,601.40 = 177,897.69/x
  3. Step 3: Cross multiply
    556,976.88x = 835,601.40 × 177,897.69
  4. Step 4: Simplify right side
    556,976.88x = 148,651,558,820.77
  5. Step 5: Solve for x
    x = 148,651,558,820.77/556,976.88
  6. Step 6: Final answer
    x = 266,890.00

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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.