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Finding the Fourth Proportional to 298,466.80, 448,045.80 and 180,271.60

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Solution

The fourth proportional to 298,466.80, 448,045.80 and 180,271.60 is: 270,616.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,466.80 : 448,045.80 = 180,271.60 : x
  2. Step 2: Convert to fraction form
    298,466.80/448,045.80 = 180,271.60/x
  3. Step 3: Cross multiply
    298,466.80x = 448,045.80 × 180,271.60
  4. Step 4: Simplify right side
    298,466.80x = 80,769,933,239.28
  5. Step 5: Solve for x
    x = 80,769,933,239.28/298,466.80
  6. Step 6: Final answer
    x = 270,616.14

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1.5x scale

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.