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Finding the Fourth Proportional to 605,551.20, 907,233.30 and 352,624.65

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Solution

The fourth proportional to 605,551.20, 907,233.30 and 352,624.65 is: 528,300.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,551.20 : 907,233.30 = 352,624.65 : x
  2. Step 2: Convert to fraction form
    605,551.20/907,233.30 = 352,624.65/x
  3. Step 3: Cross multiply
    605,551.20x = 907,233.30 × 352,624.65
  4. Step 4: Simplify right side
    605,551.20x = 319,912,824,880.85
  5. Step 5: Solve for x
    x = 319,912,824,880.85/605,551.20
  6. Step 6: Final answer
    x = 528,300.21

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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.