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Finding the Fourth Proportional to 635,710.60, 953,461.10 and 209,251.98

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Solution

The fourth proportional to 635,710.60, 953,461.10 and 209,251.98 is: 313,843.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,710.60 : 953,461.10 = 209,251.98 : x
  2. Step 2: Convert to fraction form
    635,710.60/953,461.10 = 209,251.98/x
  3. Step 3: Cross multiply
    635,710.60x = 953,461.10 × 209,251.98
  4. Step 4: Simplify right side
    635,710.60x = 199,513,623,027.98
  5. Step 5: Solve for x
    x = 199,513,623,027.98/635,710.60
  6. Step 6: Final answer
    x = 313,843.47

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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.