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Finding the Fourth Proportional to 446,450.85, 616,106.79 and 242,505.72

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Solution

The fourth proportional to 446,450.85, 616,106.79 and 242,505.72 is: 334,660.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,450.85 : 616,106.79 = 242,505.72 : x
  2. Step 2: Convert to fraction form
    446,450.85/616,106.79 = 242,505.72/x
  3. Step 3: Cross multiply
    446,450.85x = 616,106.79 × 242,505.72
  4. Step 4: Simplify right side
    446,450.85x = 149,409,420,705.84
  5. Step 5: Solve for x
    x = 149,409,420,705.84/446,450.85
  6. Step 6: Final answer
    x = 334,660.40

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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.