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Finding the Fourth Proportional to 556,407.50, 834,672.60 and 177,240.02

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Solution

The fourth proportional to 556,407.50, 834,672.60 and 177,240.02 is: 265,879.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,407.50 : 834,672.60 = 177,240.02 : x
  2. Step 2: Convert to fraction form
    556,407.50/834,672.60 = 177,240.02/x
  3. Step 3: Cross multiply
    556,407.50x = 834,672.60 × 177,240.02
  4. Step 4: Simplify right side
    556,407.50x = 147,937,384,144.09
  5. Step 5: Solve for x
    x = 147,937,384,144.09/556,407.50
  6. Step 6: Final answer
    x = 265,879.57

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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.