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Finding the Fourth Proportional to 302,549.30, 453,613.85 and 133,977.77

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Solution

The fourth proportional to 302,549.30, 453,613.85 and 133,977.77 is: 200,873.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,549.30 : 453,613.85 = 133,977.77 : x
  2. Step 2: Convert to fraction form
    302,549.30/453,613.85 = 133,977.77/x
  3. Step 3: Cross multiply
    302,549.30x = 453,613.85 × 133,977.77
  4. Step 4: Simplify right side
    302,549.30x = 60,774,172,064.11
  5. Step 5: Solve for x
    x = 60,774,172,064.11/302,549.30
  6. Step 6: Final answer
    x = 200,873.62

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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.