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Finding the Fourth Proportional to 270,930.24, 406,397.76 and 73,938.24

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Solution

The fourth proportional to 270,930.24, 406,397.76 and 73,938.24 is: 110,908.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,930.24 : 406,397.76 = 73,938.24 : x
  2. Step 2: Convert to fraction form
    270,930.24/406,397.76 = 73,938.24/x
  3. Step 3: Cross multiply
    270,930.24x = 406,397.76 × 73,938.24
  4. Step 4: Simplify right side
    270,930.24x = 30,048,335,114.34
  5. Step 5: Solve for x
    x = 30,048,335,114.34/270,930.24
  6. Step 6: Final answer
    x = 110,908.01

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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.