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Finding the Fourth Proportional to 449,952.23, 621,090.45 and 259,041.71

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Solution

The fourth proportional to 449,952.23, 621,090.45 and 259,041.71 is: 357,567.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,952.23 : 621,090.45 = 259,041.71 : x
  2. Step 2: Convert to fraction form
    449,952.23/621,090.45 = 259,041.71/x
  3. Step 3: Cross multiply
    449,952.23x = 621,090.45 × 259,041.71
  4. Step 4: Simplify right side
    449,952.23x = 160,888,332,232.67
  5. Step 5: Solve for x
    x = 160,888,332,232.67/449,952.23
  6. Step 6: Final answer
    x = 357,567.58

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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.