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Finding the Fourth Proportional to 453,363.68, 679,900.73 and 149,701.30

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Solution

The fourth proportional to 453,363.68, 679,900.73 and 149,701.30 is: 224,504.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,363.68 : 679,900.73 = 149,701.30 : x
  2. Step 2: Convert to fraction form
    453,363.68/679,900.73 = 149,701.30/x
  3. Step 3: Cross multiply
    453,363.68x = 679,900.73 × 149,701.30
  4. Step 4: Simplify right side
    453,363.68x = 101,782,020,703.69
  5. Step 5: Solve for x
    x = 101,782,020,703.69/453,363.68
  6. Step 6: Final answer
    x = 224,504.13

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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.