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Finding the Fourth Proportional to 332,852.20, 499,343.10 and 143,312.20

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Solution

The fourth proportional to 332,852.20, 499,343.10 and 143,312.20 is: 214,996.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,852.20 : 499,343.10 = 143,312.20 : x
  2. Step 2: Convert to fraction form
    332,852.20/499,343.10 = 143,312.20/x
  3. Step 3: Cross multiply
    332,852.20x = 499,343.10 × 143,312.20
  4. Step 4: Simplify right side
    332,852.20x = 71,561,958,215.82
  5. Step 5: Solve for x
    x = 71,561,958,215.82/332,852.20
  6. Step 6: Final answer
    x = 214,996.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.