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Finding the Fourth Proportional to 434,560.40, 651,840.60 and 403,067.60

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Solution

The fourth proportional to 434,560.40, 651,840.60 and 403,067.60 is: 604,601.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,560.40 : 651,840.60 = 403,067.60 : x
  2. Step 2: Convert to fraction form
    434,560.40/651,840.60 = 403,067.60/x
  3. Step 3: Cross multiply
    434,560.40x = 651,840.60 × 403,067.60
  4. Step 4: Simplify right side
    434,560.40x = 262,735,826,224.56
  5. Step 5: Solve for x
    x = 262,735,826,224.56/434,560.40
  6. Step 6: Final answer
    x = 604,601.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.