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Finding the Fourth Proportional to 505,531.94, 758,043.97 and 168,454.49

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Solution

The fourth proportional to 505,531.94, 758,043.97 and 168,454.49 is: 252,597.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,531.94 : 758,043.97 = 168,454.49 : x
  2. Step 2: Convert to fraction form
    505,531.94/758,043.97 = 168,454.49/x
  3. Step 3: Cross multiply
    505,531.94x = 758,043.97 × 168,454.49
  4. Step 4: Simplify right side
    505,531.94x = 127,695,906,152.57
  5. Step 5: Solve for x
    x = 127,695,906,152.57/505,531.94
  6. Step 6: Final answer
    x = 252,597.11

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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.