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Finding the Fourth Proportional to 416,512.40, 574,787.53 and 225,525.34

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Solution

The fourth proportional to 416,512.40, 574,787.53 and 225,525.34 is: 311,225.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,512.40 : 574,787.53 = 225,525.34 : x
  2. Step 2: Convert to fraction form
    416,512.40/574,787.53 = 225,525.34/x
  3. Step 3: Cross multiply
    416,512.40x = 574,787.53 × 225,525.34
  4. Step 4: Simplify right side
    416,512.40x = 129,629,152,197.67
  5. Step 5: Solve for x
    x = 129,629,152,197.67/416,512.40
  6. Step 6: Final answer
    x = 311,225.19

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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.