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Finding the Fourth Proportional to 277,536.60, 416,742.30 and 159,438.60

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Solution

The fourth proportional to 277,536.60, 416,742.30 and 159,438.60 is: 239,409.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,536.60 : 416,742.30 = 159,438.60 : x
  2. Step 2: Convert to fraction form
    277,536.60/416,742.30 = 159,438.60/x
  3. Step 3: Cross multiply
    277,536.60x = 416,742.30 × 159,438.60
  4. Step 4: Simplify right side
    277,536.60x = 66,444,808,872.78
  5. Step 5: Solve for x
    x = 66,444,808,872.78/277,536.60
  6. Step 6: Final answer
    x = 239,409.18

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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.