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Finding the Fourth Proportional to 464,450.40, 641,012.88 and 260,583.84

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Solution

The fourth proportional to 464,450.40, 641,012.88 and 260,583.84 is: 359,645.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,450.40 : 641,012.88 = 260,583.84 : x
  2. Step 2: Convert to fraction form
    464,450.40/641,012.88 = 260,583.84/x
  3. Step 3: Cross multiply
    464,450.40x = 641,012.88 × 260,583.84
  4. Step 4: Simplify right side
    464,450.40x = 167,037,597,759.86
  5. Step 5: Solve for x
    x = 167,037,597,759.86/464,450.40
  6. Step 6: Final answer
    x = 359,645.72

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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.