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Finding the Fourth Proportional to 416,617.88, 574,989.90 and 255,444.44

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Solution

The fourth proportional to 416,617.88, 574,989.90 and 255,444.44 is: 352,548.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,617.88 : 574,989.90 = 255,444.44 : x
  2. Step 2: Convert to fraction form
    416,617.88/574,989.90 = 255,444.44/x
  3. Step 3: Cross multiply
    416,617.88x = 574,989.90 × 255,444.44
  4. Step 4: Simplify right side
    416,617.88x = 146,877,973,011.16
  5. Step 5: Solve for x
    x = 146,877,973,011.16/416,617.88
  6. Step 6: Final answer
    x = 352,548.41

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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.