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Finding the Fourth Proportional to 402,680.34, 555,600.06 and 297,944.88

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Solution

The fourth proportional to 402,680.34, 555,600.06 and 297,944.88 is: 411,090.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,680.34 : 555,600.06 = 297,944.88 : x
  2. Step 2: Convert to fraction form
    402,680.34/555,600.06 = 297,944.88/x
  3. Step 3: Cross multiply
    402,680.34x = 555,600.06 × 297,944.88
  4. Step 4: Simplify right side
    402,680.34x = 165,538,193,204.69
  5. Step 5: Solve for x
    x = 165,538,193,204.69/402,680.34
  6. Step 6: Final answer
    x = 411,090.83

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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.