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Finding the Fourth Proportional to 491,271.56, 736,907.52 and 175,709.60

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Solution

The fourth proportional to 491,271.56, 736,907.52 and 175,709.60 is: 263,564.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,271.56 : 736,907.52 = 175,709.60 : x
  2. Step 2: Convert to fraction form
    491,271.56/736,907.52 = 175,709.60/x
  3. Step 3: Cross multiply
    491,271.56x = 736,907.52 × 175,709.60
  4. Step 4: Simplify right side
    491,271.56x = 129,481,725,576.19
  5. Step 5: Solve for x
    x = 129,481,725,576.19/491,271.56
  6. Step 6: Final answer
    x = 263,564.46

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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.