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Finding the Fourth Proportional to 410,883.74, 616,325.61 and 111,364.32

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Solution

The fourth proportional to 410,883.74, 616,325.61 and 111,364.32 is: 167,046.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,883.74 : 616,325.61 = 111,364.32 : x
  2. Step 2: Convert to fraction form
    410,883.74/616,325.61 = 111,364.32/x
  3. Step 3: Cross multiply
    410,883.74x = 616,325.61 × 111,364.32
  4. Step 4: Simplify right side
    410,883.74x = 68,636,680,538.32
  5. Step 5: Solve for x
    x = 68,636,680,538.32/410,883.74
  6. Step 6: Final answer
    x = 167,046.48

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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.