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Finding the Fourth Proportional to 454,294.80, 626,927.72 and 273,009.51

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Solution

The fourth proportional to 454,294.80, 626,927.72 and 273,009.51 is: 376,753.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,294.80 : 626,927.72 = 273,009.51 : x
  2. Step 2: Convert to fraction form
    454,294.80/626,927.72 = 273,009.51/x
  3. Step 3: Cross multiply
    454,294.80x = 626,927.72 × 273,009.51
  4. Step 4: Simplify right side
    454,294.80x = 171,157,228,277.57
  5. Step 5: Solve for x
    x = 171,157,228,277.57/454,294.80
  6. Step 6: Final answer
    x = 376,753.66

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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.