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Finding the Fourth Proportional to 578,454.64, 797,706.60 and 451,083.76

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Solution

The fourth proportional to 578,454.64, 797,706.60 and 451,083.76 is: 622,058.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,454.64 : 797,706.60 = 451,083.76 : x
  2. Step 2: Convert to fraction form
    578,454.64/797,706.60 = 451,083.76/x
  3. Step 3: Cross multiply
    578,454.64x = 797,706.60 × 451,083.76
  4. Step 4: Simplify right side
    578,454.64x = 359,832,492,504.82
  5. Step 5: Solve for x
    x = 359,832,492,504.82/578,454.64
  6. Step 6: Final answer
    x = 622,058.27

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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.