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Finding the Fourth Proportional to 453,681.52, 680,522.16 and 453,025.36

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Solution

The fourth proportional to 453,681.52, 680,522.16 and 453,025.36 is: 679,537.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,681.52 : 680,522.16 = 453,025.36 : x
  2. Step 2: Convert to fraction form
    453,681.52/680,522.16 = 453,025.36/x
  3. Step 3: Cross multiply
    453,681.52x = 680,522.16 × 453,025.36
  4. Step 4: Simplify right side
    453,681.52x = 308,293,796,521.98
  5. Step 5: Solve for x
    x = 308,293,796,521.98/453,681.52
  6. Step 6: Final answer
    x = 679,537.92

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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.