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Finding the Fourth Proportional to 445,717.82, 615,086.95 and 241,768.22

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Solution

The fourth proportional to 445,717.82, 615,086.95 and 241,768.22 is: 333,638.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,717.82 : 615,086.95 = 241,768.22 : x
  2. Step 2: Convert to fraction form
    445,717.82/615,086.95 = 241,768.22/x
  3. Step 3: Cross multiply
    445,717.82x = 615,086.95 × 241,768.22
  4. Step 4: Simplify right side
    445,717.82x = 148,708,477,980.03
  5. Step 5: Solve for x
    x = 148,708,477,980.03/445,717.82
  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.