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Finding the Fourth Proportional to 496,259.48, 744,695.40 and 229,970.36

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Solution

The fourth proportional to 496,259.48, 744,695.40 and 229,970.36 is: 345,097.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,259.48 : 744,695.40 = 229,970.36 : x
  2. Step 2: Convert to fraction form
    496,259.48/744,695.40 = 229,970.36/x
  3. Step 3: Cross multiply
    496,259.48x = 744,695.40 × 229,970.36
  4. Step 4: Simplify right side
    496,259.48x = 171,257,865,504.87
  5. Step 5: Solve for x
    x = 171,257,865,504.87/496,259.48
  6. Step 6: Final answer
    x = 345,097.42

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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.