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Finding the Fourth Proportional to 438,944.24, 605,745.96 and 237,740.24

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Solution

The fourth proportional to 438,944.24, 605,745.96 and 237,740.24 is: 328,083.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,944.24 : 605,745.96 = 237,740.24 : x
  2. Step 2: Convert to fraction form
    438,944.24/605,745.96 = 237,740.24/x
  3. Step 3: Cross multiply
    438,944.24x = 605,745.96 × 237,740.24
  4. Step 4: Simplify right side
    438,944.24x = 144,010,189,909.43
  5. Step 5: Solve for x
    x = 144,010,189,909.43/438,944.24
  6. Step 6: Final answer
    x = 328,083.11

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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.