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Finding the Fourth Proportional to 471,270.30, 650,333.57 and 256,411.22

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Solution

The fourth proportional to 471,270.30, 650,333.57 and 256,411.22 is: 353,836.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,270.30 : 650,333.57 = 256,411.22 : x
  2. Step 2: Convert to fraction form
    471,270.30/650,333.57 = 256,411.22/x
  3. Step 3: Cross multiply
    471,270.30x = 650,333.57 × 256,411.22
  4. Step 4: Simplify right side
    471,270.30x = 166,752,819,556.93
  5. Step 5: Solve for x
    x = 166,752,819,556.93/471,270.30
  6. Step 6: Final answer
    x = 353,836.89

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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.