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Finding the Fourth Proportional to 262,383.45, 392,991.98 and 262,383.45

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Solution

The fourth proportional to 262,383.45, 392,991.98 and 262,383.45 is: 392,991.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,383.45 : 392,991.98 = 262,383.45 : x
  2. Step 2: Convert to fraction form
    262,383.45/392,991.98 = 262,383.45/x
  3. Step 3: Cross multiply
    262,383.45x = 392,991.98 × 262,383.45
  4. Step 4: Simplify right side
    262,383.45x = 103,114,590,222.81
  5. Step 5: Solve for x
    x = 103,114,590,222.81/262,383.45
  6. Step 6: Final answer
    x = 392,991.98

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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.