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Finding the Fourth Proportional to 445,717.78, 615,086.95 and 241,768.20

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Solution

The fourth proportional to 445,717.78, 615,086.95 and 241,768.20 is: 333,638.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,717.78 : 615,086.95 = 241,768.20 : x
  2. Step 2: Convert to fraction form
    445,717.78/615,086.95 = 241,768.20/x
  3. Step 3: Cross multiply
    445,717.78x = 615,086.95 × 241,768.20
  4. Step 4: Simplify right side
    445,717.78x = 148,708,464,744.99
  5. Step 5: Solve for x
    x = 148,708,464,744.99/445,717.78
  6. Step 6: Final answer
    x = 333,638.17

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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.