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Finding the Fourth Proportional to 567,767.84, 851,506.48 and 168,315.28

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Solution

The fourth proportional to 567,767.84, 851,506.48 and 168,315.28 is: 252,429.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,767.84 : 851,506.48 = 168,315.28 : x
  2. Step 2: Convert to fraction form
    567,767.84/851,506.48 = 168,315.28/x
  3. Step 3: Cross multiply
    567,767.84x = 851,506.48 × 168,315.28
  4. Step 4: Simplify right side
    567,767.84x = 143,321,551,603.01
  5. Step 5: Solve for x
    x = 143,321,551,603.01/567,767.84
  6. Step 6: Final answer
    x = 252,429.85

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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.