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Finding the Fourth Proportional to 491,132.40, 736,871.40 and 175,599.60

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Solution

The fourth proportional to 491,132.40, 736,871.40 and 175,599.60 is: 263,461.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,132.40 : 736,871.40 = 175,599.60 : x
  2. Step 2: Convert to fraction form
    491,132.40/736,871.40 = 175,599.60/x
  3. Step 3: Cross multiply
    491,132.40x = 736,871.40 × 175,599.60
  4. Step 4: Simplify right side
    491,132.40x = 129,394,323,091.44
  5. Step 5: Solve for x
    x = 129,394,323,091.44/491,132.40
  6. Step 6: Final answer
    x = 263,461.18

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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.