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Finding the Fourth Proportional to 363,559.42, 543,820.03 and 255,480.96

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Solution

The fourth proportional to 363,559.42, 543,820.03 and 255,480.96 is: 382,153.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,559.42 : 543,820.03 = 255,480.96 : x
  2. Step 2: Convert to fraction form
    363,559.42/543,820.03 = 255,480.96/x
  3. Step 3: Cross multiply
    363,559.42x = 543,820.03 × 255,480.96
  4. Step 4: Simplify right side
    363,559.42x = 138,935,662,054.22
  5. Step 5: Solve for x
    x = 138,935,662,054.22/363,559.42
  6. Step 6: Final answer
    x = 382,153.93

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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.