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Finding the Fourth Proportional to 299,606.74, 412,888.89 and 214,576.18

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Solution

The fourth proportional to 299,606.74, 412,888.89 and 214,576.18 is: 295,708.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,606.74 : 412,888.89 = 214,576.18 : x
  2. Step 2: Convert to fraction form
    299,606.74/412,888.89 = 214,576.18/x
  3. Step 3: Cross multiply
    299,606.74x = 412,888.89 × 214,576.18
  4. Step 4: Simplify right side
    299,606.74x = 88,596,120,780.64
  5. Step 5: Solve for x
    x = 88,596,120,780.64/299,606.74
  6. Step 6: Final answer
    x = 295,708.04

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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.