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Finding the Fourth Proportional to 450,361.74, 675,436.48 and 165,897.82

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Solution

The fourth proportional to 450,361.74, 675,436.48 and 165,897.82 is: 248,807.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,361.74 : 675,436.48 = 165,897.82 : x
  2. Step 2: Convert to fraction form
    450,361.74/675,436.48 = 165,897.82/x
  3. Step 3: Cross multiply
    450,361.74x = 675,436.48 × 165,897.82
  4. Step 4: Simplify right side
    450,361.74x = 112,053,439,580.47
  5. Step 5: Solve for x
    x = 112,053,439,580.47/450,361.74
  6. Step 6: Final answer
    x = 248,807.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.