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Finding the Fourth Proportional to 302,517.80, 453,776.70 and 176,028.20

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Solution

The fourth proportional to 302,517.80, 453,776.70 and 176,028.20 is: 264,042.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,517.80 : 453,776.70 = 176,028.20 : x
  2. Step 2: Convert to fraction form
    302,517.80/453,776.70 = 176,028.20/x
  3. Step 3: Cross multiply
    302,517.80x = 453,776.70 × 176,028.20
  4. Step 4: Simplify right side
    302,517.80x = 79,877,495,702.94
  5. Step 5: Solve for x
    x = 79,877,495,702.94/302,517.80
  6. Step 6: Final answer
    x = 264,042.30

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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.