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Finding the Fourth Proportional to 328,164.62, 452,967.29 and 190,378.35

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Solution

The fourth proportional to 328,164.62, 452,967.29 and 190,378.35 is: 262,780.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,164.62 : 452,967.29 = 190,378.35 : x
  2. Step 2: Convert to fraction form
    328,164.62/452,967.29 = 190,378.35/x
  3. Step 3: Cross multiply
    328,164.62x = 452,967.29 × 190,378.35
  4. Step 4: Simplify right side
    328,164.62x = 86,235,165,036.20
  5. Step 5: Solve for x
    x = 86,235,165,036.20/328,164.62
  6. Step 6: Final answer
    x = 262,780.21

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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.