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Finding the Fourth Proportional to 467,858.40, 700,475.40 and 454,736.40

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Solution

The fourth proportional to 467,858.40, 700,475.40 and 454,736.40 is: 680,829.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,858.40 : 700,475.40 = 454,736.40 : x
  2. Step 2: Convert to fraction form
    467,858.40/700,475.40 = 454,736.40/x
  3. Step 3: Cross multiply
    467,858.40x = 700,475.40 × 454,736.40
  4. Step 4: Simplify right side
    467,858.40x = 318,531,661,684.56
  5. Step 5: Solve for x
    x = 318,531,661,684.56/467,858.40
  6. Step 6: Final answer
    x = 680,829.20

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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.