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Finding the Fourth Proportional to 302,404.80, 453,607.20 and 175,915.20

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Solution

The fourth proportional to 302,404.80, 453,607.20 and 175,915.20 is: 263,872.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,404.80 : 453,607.20 = 175,915.20 : x
  2. Step 2: Convert to fraction form
    302,404.80/453,607.20 = 175,915.20/x
  3. Step 3: Cross multiply
    302,404.80x = 453,607.20 × 175,915.20
  4. Step 4: Simplify right side
    302,404.80x = 79,796,401,309.44
  5. Step 5: Solve for x
    x = 79,796,401,309.44/302,404.80
  6. Step 6: Final answer
    x = 263,872.80

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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.