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Finding the Fourth Proportional to 723,242.60, 998,450.34 and 561,736.04

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Solution

The fourth proportional to 723,242.60, 998,450.34 and 561,736.04 is: 775,487.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,242.60 : 998,450.34 = 561,736.04 : x
  2. Step 2: Convert to fraction form
    723,242.60/998,450.34 = 561,736.04/x
  3. Step 3: Cross multiply
    723,242.60x = 998,450.34 × 561,736.04
  4. Step 4: Simplify right side
    723,242.60x = 560,865,540,128.25
  5. Step 5: Solve for x
    x = 560,865,540,128.25/723,242.60
  6. Step 6: Final answer
    x = 775,487.42

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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.