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Finding the Fourth Proportional to 453,630.40, 680,445.60 and 453,630.40

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Solution

The fourth proportional to 453,630.40, 680,445.60 and 453,630.40 is: 680,445.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,630.40 : 680,445.60 = 453,630.40 : x
  2. Step 2: Convert to fraction form
    453,630.40/680,445.60 = 453,630.40/x
  3. Step 3: Cross multiply
    453,630.40x = 680,445.60 × 453,630.40
  4. Step 4: Simplify right side
    453,630.40x = 308,670,809,706.24
  5. Step 5: Solve for x
    x = 308,670,809,706.24/453,630.40
  6. Step 6: Final answer
    x = 680,445.60

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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.