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Finding the Fourth Proportional to 453,685.20, 680,527.80 and 296,091.60

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Solution

The fourth proportional to 453,685.20, 680,527.80 and 296,091.60 is: 444,137.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,685.20 : 680,527.80 = 296,091.60 : x
  2. Step 2: Convert to fraction form
    453,685.20/680,527.80 = 296,091.60/x
  3. Step 3: Cross multiply
    453,685.20x = 680,527.80 × 296,091.60
  4. Step 4: Simplify right side
    453,685.20x = 201,498,565,146.48
  5. Step 5: Solve for x
    x = 201,498,565,146.48/453,685.20
  6. Step 6: Final answer
    x = 444,137.40

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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.