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Finding the Fourth Proportional to 653,687.00, 902,126.59 and 492,257.24

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Solution

The fourth proportional to 653,687.00, 902,126.59 and 492,257.24 is: 679,344.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,687.00 : 902,126.59 = 492,257.24 : x
  2. Step 2: Convert to fraction form
    653,687.00/902,126.59 = 492,257.24/x
  3. Step 3: Cross multiply
    653,687.00x = 902,126.59 × 492,257.24
  4. Step 4: Simplify right side
    653,687.00x = 444,078,339,582.74
  5. Step 5: Solve for x
    x = 444,078,339,582.74/653,687.00
  6. Step 6: Final answer
    x = 679,344.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.