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Finding the Fourth Proportional to 298,053.40, 446,561.70 and 245,176.60

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Solution

The fourth proportional to 298,053.40, 446,561.70 and 245,176.60 is: 367,338.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,053.40 : 446,561.70 = 245,176.60 : x
  2. Step 2: Convert to fraction form
    298,053.40/446,561.70 = 245,176.60/x
  3. Step 3: Cross multiply
    298,053.40x = 446,561.70 × 245,176.60
  4. Step 4: Simplify right side
    298,053.40x = 109,486,479,296.22
  5. Step 5: Solve for x
    x = 109,486,479,296.22/298,053.40
  6. Step 6: Final answer
    x = 367,338.47

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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.