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Finding the Fourth Proportional to 456,325.80, 629,886.42 and 265,399.08

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Solution

The fourth proportional to 456,325.80, 629,886.42 and 265,399.08 is: 366,341.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,325.80 : 629,886.42 = 265,399.08 : x
  2. Step 2: Convert to fraction form
    456,325.80/629,886.42 = 265,399.08/x
  3. Step 3: Cross multiply
    456,325.80x = 629,886.42 × 265,399.08
  4. Step 4: Simplify right side
    456,325.80x = 167,171,276,372.49
  5. Step 5: Solve for x
    x = 167,171,276,372.49/456,325.80
  6. Step 6: Final answer
    x = 366,341.93

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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.