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Finding the Fourth Proportional to 534,134.70, 801,331.65 and 376,670.70

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Solution

The fourth proportional to 534,134.70, 801,331.65 and 376,670.70 is: 565,097.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,134.70 : 801,331.65 = 376,670.70 : x
  2. Step 2: Convert to fraction form
    534,134.70/801,331.65 = 376,670.70/x
  3. Step 3: Cross multiply
    534,134.70x = 801,331.65 × 376,670.70
  4. Step 4: Simplify right side
    534,134.70x = 301,838,153,537.66
  5. Step 5: Solve for x
    x = 301,838,153,537.66/534,134.70
  6. Step 6: Final answer
    x = 565,097.44

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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.