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Finding the Fourth Proportional to 445,892.76, 615,291.12 and 264,573.36

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Solution

The fourth proportional to 445,892.76, 615,291.12 and 264,573.36 is: 365,086.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,892.76 : 615,291.12 = 264,573.36 : x
  2. Step 2: Convert to fraction form
    445,892.76/615,291.12 = 264,573.36/x
  3. Step 3: Cross multiply
    445,892.76x = 615,291.12 × 264,573.36
  4. Step 4: Simplify right side
    445,892.76x = 162,789,638,996.56
  5. Step 5: Solve for x
    x = 162,789,638,996.56/445,892.76
  6. Step 6: Final answer
    x = 365,086.98

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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.