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Finding the Fourth Proportional to 632,858.19, 873,346.59 and 342,469.73

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Solution

The fourth proportional to 632,858.19, 873,346.59 and 342,469.73 is: 472,609.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,858.19 : 873,346.59 = 342,469.73 : x
  2. Step 2: Convert to fraction form
    632,858.19/873,346.59 = 342,469.73/x
  3. Step 3: Cross multiply
    632,858.19x = 873,346.59 × 342,469.73
  4. Step 4: Simplify right side
    632,858.19x = 299,094,766,506.99
  5. Step 5: Solve for x
    x = 299,094,766,506.99/632,858.19
  6. Step 6: Final answer
    x = 472,609.46

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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.