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Finding the Fourth Proportional to 578,448.64, 797,698.32 and 451,077.76

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Solution

The fourth proportional to 578,448.64, 797,698.32 and 451,077.76 is: 622,049.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,448.64 : 797,698.32 = 451,077.76 : x
  2. Step 2: Convert to fraction form
    578,448.64/797,698.32 = 451,077.76/x
  3. Step 3: Cross multiply
    578,448.64x = 797,698.32 × 451,077.76
  4. Step 4: Simplify right side
    578,448.64x = 359,823,971,341.36
  5. Step 5: Solve for x
    x = 359,823,971,341.36/578,448.64
  6. Step 6: Final answer
    x = 622,049.99

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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.