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Finding the Fourth Proportional to 302,618.40, 453,992.40 and 92,277.60

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Solution

The fourth proportional to 302,618.40, 453,992.40 and 92,277.60 is: 138,436.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,618.40 : 453,992.40 = 92,277.60 : x
  2. Step 2: Convert to fraction form
    302,618.40/453,992.40 = 92,277.60/x
  3. Step 3: Cross multiply
    302,618.40x = 453,992.40 × 92,277.60
  4. Step 4: Simplify right side
    302,618.40x = 41,893,329,090.24
  5. Step 5: Solve for x
    x = 41,893,329,090.24/302,618.40
  6. Step 6: Final answer
    x = 138,436.16

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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.