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Finding the Fourth Proportional to 472,984.35, 709,054.57 and 173,394.97

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Solution

The fourth proportional to 472,984.35, 709,054.57 and 173,394.97 is: 259,937.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,984.35 : 709,054.57 = 173,394.97 : x
  2. Step 2: Convert to fraction form
    472,984.35/709,054.57 = 173,394.97/x
  3. Step 3: Cross multiply
    472,984.35x = 709,054.57 × 173,394.97
  4. Step 4: Simplify right side
    472,984.35x = 122,946,494,337.62
  5. Step 5: Solve for x
    x = 122,946,494,337.62/472,984.35
  6. Step 6: Final answer
    x = 259,937.77

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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.