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Finding the Fourth Proportional to 328,029, 452,646 and 192,055.92

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Solution

The fourth proportional to 328,029, 452,646 and 192,055.92 is: 265,017.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,029 : 452,646 = 192,055.92 : x
  2. Step 2: Convert to fraction form
    328,029/452,646 = 192,055.92/x
  3. Step 3: Cross multiply
    328,029x = 452,646 × 192,055.92
  4. Step 4: Simplify right side
    328,029x = 86,933,343,964.32
  5. Step 5: Solve for x
    x = 86,933,343,964.32/328,029
  6. Step 6: Final answer
    x = 265,017.25

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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.