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Finding the Fourth Proportional to 632,259.26, 949,057.30 and 617,980.90

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Solution

The fourth proportional to 632,259.26, 949,057.30 and 617,980.90 is: 927,624.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,259.26 : 949,057.30 = 617,980.90 : x
  2. Step 2: Convert to fraction form
    632,259.26/949,057.30 = 617,980.90/x
  3. Step 3: Cross multiply
    632,259.26x = 949,057.30 × 617,980.90
  4. Step 4: Simplify right side
    632,259.26x = 586,499,284,405.57
  5. Step 5: Solve for x
    x = 586,499,284,405.57/632,259.26
  6. Step 6: Final answer
    x = 927,624.67

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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.