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Finding the Fourth Proportional to 608,385.13, 911,850.51 and 283,735.91

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Solution

The fourth proportional to 608,385.13, 911,850.51 and 283,735.91 is: 425,264.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,385.13 : 911,850.51 = 283,735.91 : x
  2. Step 2: Convert to fraction form
    608,385.13/911,850.51 = 283,735.91/x
  3. Step 3: Cross multiply
    608,385.13x = 911,850.51 × 283,735.91
  4. Step 4: Simplify right side
    608,385.13x = 258,724,737,582.45
  5. Step 5: Solve for x
    x = 258,724,737,582.45/608,385.13
  6. Step 6: Final answer
    x = 425,264.73

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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.