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Finding the Fourth Proportional to 407,654.30, 608,736.34 and 332,922.80

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Solution

The fourth proportional to 407,654.30, 608,736.34 and 332,922.80 is: 497,142.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,654.30 : 608,736.34 = 332,922.80 : x
  2. Step 2: Convert to fraction form
    407,654.30/608,736.34 = 332,922.80/x
  3. Step 3: Cross multiply
    407,654.30x = 608,736.34 × 332,922.80
  4. Step 4: Simplify right side
    407,654.30x = 202,662,206,774.55
  5. Step 5: Solve for x
    x = 202,662,206,774.55/407,654.30
  6. Step 6: Final answer
    x = 497,142.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.