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Finding the Fourth Proportional to 273,778.46, 377,810.29 and 152,921.47

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Solution

The fourth proportional to 273,778.46, 377,810.29 and 152,921.47 is: 211,029.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,778.46 : 377,810.29 = 152,921.47 : x
  2. Step 2: Convert to fraction form
    273,778.46/377,810.29 = 152,921.47/x
  3. Step 3: Cross multiply
    273,778.46x = 377,810.29 × 152,921.47
  4. Step 4: Simplify right side
    273,778.46x = 57,775,304,927.93
  5. Step 5: Solve for x
    x = 57,775,304,927.93/273,778.46
  6. Step 6: Final answer
    x = 211,029.40

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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.