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Finding the Fourth Proportional to 556,388.38, 834,573.39 and 177,303.88

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Solution

The fourth proportional to 556,388.38, 834,573.39 and 177,303.88 is: 265,952.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,388.38 : 834,573.39 = 177,303.88 : x
  2. Step 2: Convert to fraction form
    556,388.38/834,573.39 = 177,303.88/x
  3. Step 3: Cross multiply
    556,388.38x = 834,573.39 × 177,303.88
  4. Step 4: Simplify right side
    556,388.38x = 147,973,100,191.75
  5. Step 5: Solve for x
    x = 147,973,100,191.75/556,388.38
  6. Step 6: Final answer
    x = 265,952.89

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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.