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Finding the Fourth Proportional to 445,662.12, 615,011.96 and 241,712.22

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Solution

The fourth proportional to 445,662.12, 615,011.96 and 241,712.22 is: 333,561.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,662.12 : 615,011.96 = 241,712.22 : x
  2. Step 2: Convert to fraction form
    445,662.12/615,011.96 = 241,712.22/x
  3. Step 3: Cross multiply
    445,662.12x = 615,011.96 × 241,712.22
  4. Step 4: Simplify right side
    445,662.12x = 148,655,904,969.59
  5. Step 5: Solve for x
    x = 148,655,904,969.59/445,662.12
  6. Step 6: Final answer
    x = 333,561.90

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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.