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Finding the Fourth Proportional to 556,638.70, 834,909.45 and 182,661.70

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Solution

The fourth proportional to 556,638.70, 834,909.45 and 182,661.70 is: 273,976.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,638.70 : 834,909.45 = 182,661.70 : x
  2. Step 2: Convert to fraction form
    556,638.70/834,909.45 = 182,661.70/x
  3. Step 3: Cross multiply
    556,638.70x = 834,909.45 × 182,661.70
  4. Step 4: Simplify right side
    556,638.70x = 152,505,979,483.07
  5. Step 5: Solve for x
    x = 152,505,979,483.07/556,638.70
  6. Step 6: Final answer
    x = 273,976.60

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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.