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Finding the Fourth Proportional to 471,381.36, 651,162.24 and 453,882.60

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Solution

The fourth proportional to 471,381.36, 651,162.24 and 453,882.60 is: 626,989.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,381.36 : 651,162.24 = 453,882.60 : x
  2. Step 2: Convert to fraction form
    471,381.36/651,162.24 = 453,882.60/x
  3. Step 3: Cross multiply
    471,381.36x = 651,162.24 × 453,882.60
  4. Step 4: Simplify right side
    471,381.36x = 295,551,210,513.02
  5. Step 5: Solve for x
    x = 295,551,210,513.02/471,381.36
  6. Step 6: Final answer
    x = 626,989.60

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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.