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Finding the Fourth Proportional to 456,404.40, 629,861.99 and 262,841.49

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Solution

The fourth proportional to 456,404.40, 629,861.99 and 262,841.49 is: 362,735.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,404.40 : 629,861.99 = 262,841.49 : x
  2. Step 2: Convert to fraction form
    456,404.40/629,861.99 = 262,841.49/x
  3. Step 3: Cross multiply
    456,404.40x = 629,861.99 × 262,841.49
  4. Step 4: Simplify right side
    456,404.40x = 165,553,862,631.76
  5. Step 5: Solve for x
    x = 165,553,862,631.76/456,404.40
  6. Step 6: Final answer
    x = 362,735.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.