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Finding the Fourth Proportional to 456,404.02, 629,782.90 and 252,427.39

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Solution

The fourth proportional to 456,404.02, 629,782.90 and 252,427.39 is: 348,319.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,404.02 : 629,782.90 = 252,427.39 : x
  2. Step 2: Convert to fraction form
    456,404.02/629,782.90 = 252,427.39/x
  3. Step 3: Cross multiply
    456,404.02x = 629,782.90 × 252,427.39
  4. Step 4: Simplify right side
    456,404.02x = 158,974,451,508.11
  5. Step 5: Solve for x
    x = 158,974,451,508.11/456,404.02
  6. Step 6: Final answer
    x = 348,319.57

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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.