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Finding the Fourth Proportional to 299,962.20, 450,234.90 and 181,864.20

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Solution

The fourth proportional to 299,962.20, 450,234.90 and 181,864.20 is: 272,973.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,962.20 : 450,234.90 = 181,864.20 : x
  2. Step 2: Convert to fraction form
    299,962.20/450,234.90 = 181,864.20/x
  3. Step 3: Cross multiply
    299,962.20x = 450,234.90 × 181,864.20
  4. Step 4: Simplify right side
    299,962.20x = 81,881,609,900.58
  5. Step 5: Solve for x
    x = 81,881,609,900.58/299,962.20
  6. Step 6: Final answer
    x = 272,973.09

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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.