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Finding the Fourth Proportional to 418,003.75, 576,880.76 and 236,747.93

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Solution

The fourth proportional to 418,003.75, 576,880.76 and 236,747.93 is: 326,732.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,003.75 : 576,880.76 = 236,747.93 : x
  2. Step 2: Convert to fraction form
    418,003.75/576,880.76 = 236,747.93/x
  3. Step 3: Cross multiply
    418,003.75x = 576,880.76 × 236,747.93
  4. Step 4: Simplify right side
    418,003.75x = 136,575,325,786.83
  5. Step 5: Solve for x
    x = 136,575,325,786.83/418,003.75
  6. Step 6: Final answer
    x = 326,732.30

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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.