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Finding the Fourth Proportional to 567,291.10, 850,936.65 and 520,051.90

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Solution

The fourth proportional to 567,291.10, 850,936.65 and 520,051.90 is: 780,077.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,291.10 : 850,936.65 = 520,051.90 : x
  2. Step 2: Convert to fraction form
    567,291.10/850,936.65 = 520,051.90/x
  3. Step 3: Cross multiply
    567,291.10x = 850,936.65 × 520,051.90
  4. Step 4: Simplify right side
    567,291.10x = 442,531,221,612.14
  5. Step 5: Solve for x
    x = 442,531,221,612.14/567,291.10
  6. Step 6: Final answer
    x = 780,077.85

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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.