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Finding the Fourth Proportional to 436,974.30, 655,461.45 and 297,006.30

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Solution

The fourth proportional to 436,974.30, 655,461.45 and 297,006.30 is: 445,509.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,974.30 : 655,461.45 = 297,006.30 : x
  2. Step 2: Convert to fraction form
    436,974.30/655,461.45 = 297,006.30/x
  3. Step 3: Cross multiply
    436,974.30x = 655,461.45 × 297,006.30
  4. Step 4: Simplify right side
    436,974.30x = 194,676,180,057.14
  5. Step 5: Solve for x
    x = 194,676,180,057.14/436,974.30
  6. Step 6: Final answer
    x = 445,509.45

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Similar ratio
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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.