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Finding the Fourth Proportional to 292,340.96, 438,526.92 and 92,676.92

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Solution

The fourth proportional to 292,340.96, 438,526.92 and 92,676.92 is: 139,020.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,340.96 : 438,526.92 = 92,676.92 : x
  2. Step 2: Convert to fraction form
    292,340.96/438,526.92 = 92,676.92/x
  3. Step 3: Cross multiply
    292,340.96x = 438,526.92 × 92,676.92
  4. Step 4: Simplify right side
    292,340.96x = 40,641,324,282.69
  5. Step 5: Solve for x
    x = 40,641,324,282.69/292,340.96
  6. Step 6: Final answer
    x = 139,020.29

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1.5x scale

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.