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Finding the Fourth Proportional to 693,851.32, 957,502.38 and 392,038.84

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Solution

The fourth proportional to 693,851.32, 957,502.38 and 392,038.84 is: 541,006.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,851.32 : 957,502.38 = 392,038.84 : x
  2. Step 2: Convert to fraction form
    693,851.32/957,502.38 = 392,038.84/x
  3. Step 3: Cross multiply
    693,851.32x = 957,502.38 × 392,038.84
  4. Step 4: Simplify right side
    693,851.32x = 375,378,122,352.44
  5. Step 5: Solve for x
    x = 375,378,122,352.44/693,851.32
  6. Step 6: Final answer
    x = 541,006.57

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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.