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Finding the Fourth Proportional to 382,776.13, 574,165.54 and 112,907.59

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Solution

The fourth proportional to 382,776.13, 574,165.54 and 112,907.59 is: 169,361.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,776.13 : 574,165.54 = 112,907.59 : x
  2. Step 2: Convert to fraction form
    382,776.13/574,165.54 = 112,907.59/x
  3. Step 3: Cross multiply
    382,776.13x = 574,165.54 × 112,907.59
  4. Step 4: Simplify right side
    382,776.13x = 64,827,648,068.72
  5. Step 5: Solve for x
    x = 64,827,648,068.72/382,776.13
  6. Step 6: Final answer
    x = 169,361.78

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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.