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Finding the Fourth Proportional to 471,373.70, 650,494.50 and 256,513.70

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Solution

The fourth proportional to 471,373.70, 650,494.50 and 256,513.70 is: 353,988.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,373.70 : 650,494.50 = 256,513.70 : x
  2. Step 2: Convert to fraction form
    471,373.70/650,494.50 = 256,513.70/x
  3. Step 3: Cross multiply
    471,373.70x = 650,494.50 × 256,513.70
  4. Step 4: Simplify right side
    471,373.70x = 166,860,751,688.96
  5. Step 5: Solve for x
    x = 166,860,751,688.96/471,373.70
  6. Step 6: Final answer
    x = 353,988.25

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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.