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Finding the Fourth Proportional to 270,930.80, 406,396.20 and 176,452.40

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Solution

The fourth proportional to 270,930.80, 406,396.20 and 176,452.40 is: 264,678.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,930.80 : 406,396.20 = 176,452.40 : x
  2. Step 2: Convert to fraction form
    270,930.80/406,396.20 = 176,452.40/x
  3. Step 3: Cross multiply
    270,930.80x = 406,396.20 × 176,452.40
  4. Step 4: Simplify right side
    270,930.80x = 71,709,584,840.88
  5. Step 5: Solve for x
    x = 71,709,584,840.88/270,930.80
  6. Step 6: Final answer
    x = 264,678.60

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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.