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Finding the Fourth Proportional to 456,294.08, 629,674.32 and 252,339.60

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Solution

The fourth proportional to 456,294.08, 629,674.32 and 252,339.60 is: 348,222.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,294.08 : 629,674.32 = 252,339.60 : x
  2. Step 2: Convert to fraction form
    456,294.08/629,674.32 = 252,339.60/x
  3. Step 3: Cross multiply
    456,294.08x = 629,674.32 × 252,339.60
  4. Step 4: Simplify right side
    456,294.08x = 158,891,766,039.07
  5. Step 5: Solve for x
    x = 158,891,766,039.07/456,294.08
  6. Step 6: Final answer
    x = 348,222.28

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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.