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Finding the Fourth Proportional to 567,950.08, 783,631.26 and 347,131.42

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Solution

The fourth proportional to 567,950.08, 783,631.26 and 347,131.42 is: 478,955.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,950.08 : 783,631.26 = 347,131.42 : x
  2. Step 2: Convert to fraction form
    567,950.08/783,631.26 = 347,131.42/x
  3. Step 3: Cross multiply
    567,950.08x = 783,631.26 × 347,131.42
  4. Step 4: Simplify right side
    567,950.08x = 272,023,034,489.04
  5. Step 5: Solve for x
    x = 272,023,034,489.04/567,950.08
  6. Step 6: Final answer
    x = 478,955.89

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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.