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Finding the Fourth Proportional to 433,980.51, 598,754.72 and 281,135.87

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Solution

The fourth proportional to 433,980.51, 598,754.72 and 281,135.87 is: 387,877.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,980.51 : 598,754.72 = 281,135.87 : x
  2. Step 2: Convert to fraction form
    433,980.51/598,754.72 = 281,135.87/x
  3. Step 3: Cross multiply
    433,980.51x = 598,754.72 × 281,135.87
  4. Step 4: Simplify right side
    433,980.51x = 168,331,424,724.35
  5. Step 5: Solve for x
    x = 168,331,424,724.35/433,980.51
  6. Step 6: Final answer
    x = 387,877.84

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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.