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Finding the Fourth Proportional to 478,504.80, 717,584.40 and 241,768.80

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Solution

The fourth proportional to 478,504.80, 717,584.40 and 241,768.80 is: 362,565.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,504.80 : 717,584.40 = 241,768.80 : x
  2. Step 2: Convert to fraction form
    478,504.80/717,584.40 = 241,768.80/x
  3. Step 3: Cross multiply
    478,504.80x = 717,584.40 × 241,768.80
  4. Step 4: Simplify right side
    478,504.80x = 173,489,519,286.72
  5. Step 5: Solve for x
    x = 173,489,519,286.72/478,504.80
  6. Step 6: Final answer
    x = 362,565.89

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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.