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Finding the Fourth Proportional to 378,392.09, 567,726.53 and 176,084.69

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Solution

The fourth proportional to 378,392.09, 567,726.53 and 176,084.69 is: 264,191.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,392.09 : 567,726.53 = 176,084.69 : x
  2. Step 2: Convert to fraction form
    378,392.09/567,726.53 = 176,084.69/x
  3. Step 3: Cross multiply
    378,392.09x = 567,726.53 × 176,084.69
  4. Step 4: Simplify right side
    378,392.09x = 99,967,946,320.77
  5. Step 5: Solve for x
    x = 99,967,946,320.77/378,392.09
  6. Step 6: Final answer
    x = 264,191.43

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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.