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Finding the Fourth Proportional to 382,726.60, 574,218.95 and 169,465.39

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Solution

The fourth proportional to 382,726.60, 574,218.95 and 169,465.39 is: 254,255.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,726.60 : 574,218.95 = 169,465.39 : x
  2. Step 2: Convert to fraction form
    382,726.60/574,218.95 = 169,465.39/x
  3. Step 3: Cross multiply
    382,726.60x = 574,218.95 × 169,465.39
  4. Step 4: Simplify right side
    382,726.60x = 97,310,238,307.14
  5. Step 5: Solve for x
    x = 97,310,238,307.14/382,726.60
  6. Step 6: Final answer
    x = 254,255.23

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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.