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Finding the Fourth Proportional to 456,326.87, 629,706.29 and 252,365.87

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Solution

The fourth proportional to 456,326.87, 629,706.29 and 252,365.87 is: 348,251.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,326.87 : 629,706.29 = 252,365.87 : x
  2. Step 2: Convert to fraction form
    456,326.87/629,706.29 = 252,365.87/x
  3. Step 3: Cross multiply
    456,326.87x = 629,706.29 × 252,365.87
  4. Step 4: Simplify right side
    456,326.87x = 158,916,376,032.76
  5. Step 5: Solve for x
    x = 158,916,376,032.76/456,326.87
  6. Step 6: Final answer
    x = 348,251.19

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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.