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Finding the Fourth Proportional to 471,473.70, 650,647.52 and 256,627.68

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Solution

The fourth proportional to 471,473.70, 650,647.52 and 256,627.68 is: 354,153.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,473.70 : 650,647.52 = 256,627.68 : x
  2. Step 2: Convert to fraction form
    471,473.70/650,647.52 = 256,627.68/x
  3. Step 3: Cross multiply
    471,473.70x = 650,647.52 × 256,627.68
  4. Step 4: Simplify right side
    471,473.70x = 166,974,163,555.35
  5. Step 5: Solve for x
    x = 166,974,163,555.35/471,473.70
  6. Step 6: Final answer
    x = 354,153.72

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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.