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Finding the Fourth Proportional to 542,942.67, 749,261.43 and 316,631.91

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Solution

The fourth proportional to 542,942.67, 749,261.43 and 316,631.91 is: 436,952.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,942.67 : 749,261.43 = 316,631.91 : x
  2. Step 2: Convert to fraction form
    542,942.67/749,261.43 = 316,631.91/x
  3. Step 3: Cross multiply
    542,942.67x = 749,261.43 × 316,631.91
  4. Step 4: Simplify right side
    542,942.67x = 237,240,077,670.23
  5. Step 5: Solve for x
    x = 237,240,077,670.23/542,942.67
  6. Step 6: Final answer
    x = 436,952.35

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.