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Finding the Fourth Proportional to 451,052.88, 622,444.68 and 260,074.32

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Solution

The fourth proportional to 451,052.88, 622,444.68 and 260,074.32 is: 358,897.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,052.88 : 622,444.68 = 260,074.32 : x
  2. Step 2: Convert to fraction form
    451,052.88/622,444.68 = 260,074.32/x
  3. Step 3: Cross multiply
    451,052.88x = 622,444.68 × 260,074.32
  4. Step 4: Simplify right side
    451,052.88x = 161,881,876,888.62
  5. Step 5: Solve for x
    x = 161,881,876,888.62/451,052.88
  6. Step 6: Final answer
    x = 358,897.78

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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.