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Finding the Fourth Proportional to 240,235.32, 331,495.90 and 132,790.64

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Solution

The fourth proportional to 240,235.32, 331,495.90 and 132,790.64 is: 183,235.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,235.32 : 331,495.90 = 132,790.64 : x
  2. Step 2: Convert to fraction form
    240,235.32/331,495.90 = 132,790.64/x
  3. Step 3: Cross multiply
    240,235.32x = 331,495.90 × 132,790.64
  4. Step 4: Simplify right side
    240,235.32x = 44,019,553,215.14
  5. Step 5: Solve for x
    x = 44,019,553,215.14/240,235.32
  6. Step 6: Final answer
    x = 183,235.14

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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.