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Finding the Fourth Proportional to 452,508.21, 624,480.96 and 258,976.67

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Solution

The fourth proportional to 452,508.21, 624,480.96 and 258,976.67 is: 357,399.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,508.21 : 624,480.96 = 258,976.67 : x
  2. Step 2: Convert to fraction form
    452,508.21/624,480.96 = 258,976.67/x
  3. Step 3: Cross multiply
    452,508.21x = 624,480.96 × 258,976.67
  4. Step 4: Simplify right side
    452,508.21x = 161,725,999,499.20
  5. Step 5: Solve for x
    x = 161,725,999,499.20/452,508.21
  6. Step 6: Final answer
    x = 357,399.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.