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Finding the Fourth Proportional to 453,743.40, 680,615.10 and 453,743.40

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Solution

The fourth proportional to 453,743.40, 680,615.10 and 453,743.40 is: 680,615.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,743.40 : 680,615.10 = 453,743.40 : x
  2. Step 2: Convert to fraction form
    453,743.40/680,615.10 = 453,743.40/x
  3. Step 3: Cross multiply
    453,743.40x = 680,615.10 × 453,743.40
  4. Step 4: Simplify right side
    453,743.40x = 308,824,609,565.34
  5. Step 5: Solve for x
    x = 308,824,609,565.34/453,743.40
  6. Step 6: Final answer
    x = 680,615.10

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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.