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Finding the Fourth Proportional to 302,542.72, 453,272.64 and 169,267.84

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Solution

The fourth proportional to 302,542.72, 453,272.64 and 169,267.84 is: 253,598.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,542.72 : 453,272.64 = 169,267.84 : x
  2. Step 2: Convert to fraction form
    302,542.72/453,272.64 = 169,267.84/x
  3. Step 3: Cross multiply
    302,542.72x = 453,272.64 × 169,267.84
  4. Step 4: Simplify right side
    302,542.72x = 76,724,480,703.90
  5. Step 5: Solve for x
    x = 76,724,480,703.90/302,542.72
  6. Step 6: Final answer
    x = 253,598.83

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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.