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Finding the Fourth Proportional to 404,624.40, 606,677.40 and 168,061.20

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Solution

The fourth proportional to 404,624.40, 606,677.40 and 168,061.20 is: 251,984.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,624.40 : 606,677.40 = 168,061.20 : x
  2. Step 2: Convert to fraction form
    404,624.40/606,677.40 = 168,061.20/x
  3. Step 3: Cross multiply
    404,624.40x = 606,677.40 × 168,061.20
  4. Step 4: Simplify right side
    404,624.40x = 101,958,931,856.88
  5. Step 5: Solve for x
    x = 101,958,931,856.88/404,624.40
  6. Step 6: Final answer
    x = 251,984.14

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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.