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Finding the Fourth Proportional to 491,615.68, 737,576.62 and 176,075.32

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Solution

The fourth proportional to 491,615.68, 737,576.62 and 176,075.32 is: 264,167.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,615.68 : 737,576.62 = 176,075.32 : x
  2. Step 2: Convert to fraction form
    491,615.68/737,576.62 = 176,075.32/x
  3. Step 3: Cross multiply
    491,615.68x = 737,576.62 × 176,075.32
  4. Step 4: Simplify right side
    491,615.68x = 129,869,039,391.02
  5. Step 5: Solve for x
    x = 129,869,039,391.02/491,615.68
  6. Step 6: Final answer
    x = 264,167.81

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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.