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Finding the Fourth Proportional to 262,011.60, 392,737.07 and 135,524.51

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Solution

The fourth proportional to 262,011.60, 392,737.07 and 135,524.51 is: 203,141.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,011.60 : 392,737.07 = 135,524.51 : x
  2. Step 2: Convert to fraction form
    262,011.60/392,737.07 = 135,524.51/x
  3. Step 3: Cross multiply
    262,011.60x = 392,737.07 × 135,524.51
  4. Step 4: Simplify right side
    262,011.60x = 53,225,496,329.28
  5. Step 5: Solve for x
    x = 53,225,496,329.28/262,011.60
  6. Step 6: Final answer
    x = 203,141.76

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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.