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Finding the Fourth Proportional to 235,478.58, 324,950.54 and 133,510.90

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Solution

The fourth proportional to 235,478.58, 324,950.54 and 133,510.90 is: 184,239.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,478.58 : 324,950.54 = 133,510.90 : x
  2. Step 2: Convert to fraction form
    235,478.58/324,950.54 = 133,510.90/x
  3. Step 3: Cross multiply
    235,478.58x = 324,950.54 × 133,510.90
  4. Step 4: Simplify right side
    235,478.58x = 43,384,439,050.89
  5. Step 5: Solve for x
    x = 43,384,439,050.89/235,478.58
  6. Step 6: Final answer
    x = 184,239.43

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1.5x scale

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.