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Finding the Fourth Proportional to 354,235.05, 488,849.51 and 193,090.14

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Solution

The fourth proportional to 354,235.05, 488,849.51 and 193,090.14 is: 266,467.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,235.05 : 488,849.51 = 193,090.14 : x
  2. Step 2: Convert to fraction form
    354,235.05/488,849.51 = 193,090.14/x
  3. Step 3: Cross multiply
    354,235.05x = 488,849.51 × 193,090.14
  4. Step 4: Simplify right side
    354,235.05x = 94,392,019,359.38
  5. Step 5: Solve for x
    x = 94,392,019,359.38/354,235.05
  6. Step 6: Final answer
    x = 266,467.19

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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.