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Finding the Fourth Proportional to 434,672.46, 599,847.58 and 243,685.89

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Solution

The fourth proportional to 434,672.46, 599,847.58 and 243,685.89 is: 336,286.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,672.46 : 599,847.58 = 243,685.89 : x
  2. Step 2: Convert to fraction form
    434,672.46/599,847.58 = 243,685.89/x
  3. Step 3: Cross multiply
    434,672.46x = 599,847.58 × 243,685.89
  4. Step 4: Simplify right side
    434,672.46x = 146,174,391,396.65
  5. Step 5: Solve for x
    x = 146,174,391,396.65/434,672.46
  6. Step 6: Final answer
    x = 336,286.30

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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.