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Finding the Fourth Proportional to 491,211.06, 736,816.59 and 175,648.83

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Solution

The fourth proportional to 491,211.06, 736,816.59 and 175,648.83 is: 263,473.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,211.06 : 736,816.59 = 175,648.83 : x
  2. Step 2: Convert to fraction form
    491,211.06/736,816.59 = 175,648.83/x
  3. Step 3: Cross multiply
    491,211.06x = 736,816.59 × 175,648.83
  4. Step 4: Simplify right side
    491,211.06x = 129,420,971,958.09
  5. Step 5: Solve for x
    x = 129,420,971,958.09/491,211.06
  6. Step 6: Final answer
    x = 263,473.25

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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.