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Finding the Fourth Proportional to 453,679.52, 680,519.16 and 453,023.36

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Solution

The fourth proportional to 453,679.52, 680,519.16 and 453,023.36 is: 679,534.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,679.52 : 680,519.16 = 453,023.36 : x
  2. Step 2: Convert to fraction form
    453,679.52/680,519.16 = 453,023.36/x
  3. Step 3: Cross multiply
    453,679.52x = 680,519.16 × 453,023.36
  4. Step 4: Simplify right side
    453,679.52x = 308,291,076,407.58
  5. Step 5: Solve for x
    x = 308,291,076,407.58/453,679.52
  6. Step 6: Final answer
    x = 679,534.92

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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.