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Finding the Fourth Proportional to 1,310,905.84, 1,809,023.52 and 737,933.44

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Solution

The fourth proportional to 1,310,905.84, 1,809,023.52 and 737,933.44 is: 1,018,333.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,905.84 : 1,809,023.52 = 737,933.44 : x
  2. Step 2: Convert to fraction form
    1,310,905.84/1,809,023.52 = 737,933.44/x
  3. Step 3: Cross multiply
    1,310,905.84x = 1,809,023.52 × 737,933.44
  4. Step 4: Simplify right side
    1,310,905.84x = 1,334,938,949,154.51
  5. Step 5: Solve for x
    x = 1,334,938,949,154.51/1,310,905.84
  6. Step 6: Final answer
    x = 1,018,333.21

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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.