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Finding the Fourth Proportional to 702,480.21, 969,185.92 and 457,353.01

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Solution

The fourth proportional to 702,480.21, 969,185.92 and 457,353.01 is: 630,993.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,480.21 : 969,185.92 = 457,353.01 : x
  2. Step 2: Convert to fraction form
    702,480.21/969,185.92 = 457,353.01/x
  3. Step 3: Cross multiply
    702,480.21x = 969,185.92 × 457,353.01
  4. Step 4: Simplify right side
    702,480.21x = 443,260,097,761.62
  5. Step 5: Solve for x
    x = 443,260,097,761.62/702,480.21
  6. Step 6: Final answer
    x = 630,993.00

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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.