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Finding the Fourth Proportional to 673,833.31, 929,893.16 and 367,915.88

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Solution

The fourth proportional to 673,833.31, 929,893.16 and 367,915.88 is: 507,725.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,833.31 : 929,893.16 = 367,915.88 : x
  2. Step 2: Convert to fraction form
    673,833.31/929,893.16 = 367,915.88/x
  3. Step 3: Cross multiply
    673,833.31x = 929,893.16 × 367,915.88
  4. Step 4: Simplify right side
    673,833.31x = 342,122,460,267.38
  5. Step 5: Solve for x
    x = 342,122,460,267.38/673,833.31
  6. Step 6: Final answer
    x = 507,725.66

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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.