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Finding the Fourth Proportional to 456,168.54, 629,487.27 and 252,207.57

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Solution

The fourth proportional to 456,168.54, 629,487.27 and 252,207.57 is: 348,032.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,168.54 : 629,487.27 = 252,207.57 : x
  2. Step 2: Convert to fraction form
    456,168.54/629,487.27 = 252,207.57/x
  3. Step 3: Cross multiply
    456,168.54x = 629,487.27 × 252,207.57
  4. Step 4: Simplify right side
    456,168.54x = 158,761,454,712.63
  5. Step 5: Solve for x
    x = 158,761,454,712.63/456,168.54
  6. Step 6: Final answer
    x = 348,032.45

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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.