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Finding the Fourth Proportional to 301,613.82, 452,420.47 and 76,974.23

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Solution

The fourth proportional to 301,613.82, 452,420.47 and 76,974.23 is: 115,461.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,613.82 : 452,420.47 = 76,974.23 : x
  2. Step 2: Convert to fraction form
    301,613.82/452,420.47 = 76,974.23/x
  3. Step 3: Cross multiply
    301,613.82x = 452,420.47 × 76,974.23
  4. Step 4: Simplify right side
    301,613.82x = 34,824,719,101.39
  5. Step 5: Solve for x
    x = 34,824,719,101.39/301,613.82
  6. Step 6: Final answer
    x = 115,461.29

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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.