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Finding the Fourth Proportional to 453,195.22, 679,653.90 and 149,533.34

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Solution

The fourth proportional to 453,195.22, 679,653.90 and 149,533.34 is: 224,254.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,195.22 : 679,653.90 = 149,533.34 : x
  2. Step 2: Convert to fraction form
    453,195.22/679,653.90 = 149,533.34/x
  3. Step 3: Cross multiply
    453,195.22x = 679,653.90 × 149,533.34
  4. Step 4: Simplify right side
    453,195.22x = 101,630,917,711.03
  5. Step 5: Solve for x
    x = 101,630,917,711.03/453,195.22
  6. Step 6: Final answer
    x = 224,254.17

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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.