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Finding the Fourth Proportional to 504,726.21, 696,597.71 and 323,642.61

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Solution

The fourth proportional to 504,726.21, 696,597.71 and 323,642.61 is: 446,675.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,726.21 : 696,597.71 = 323,642.61 : x
  2. Step 2: Convert to fraction form
    504,726.21/696,597.71 = 323,642.61/x
  3. Step 3: Cross multiply
    504,726.21x = 696,597.71 × 323,642.61
  4. Step 4: Simplify right side
    504,726.21x = 225,448,699,366.21
  5. Step 5: Solve for x
    x = 225,448,699,366.21/504,726.21
  6. Step 6: Final answer
    x = 446,675.24

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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.