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Finding the Fourth Proportional to 380,080.89, 524,525.63 and 245,944.89

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Solution

The fourth proportional to 380,080.89, 524,525.63 and 245,944.89 is: 339,413.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,080.89 : 524,525.63 = 245,944.89 : x
  2. Step 2: Convert to fraction form
    380,080.89/524,525.63 = 245,944.89/x
  3. Step 3: Cross multiply
    380,080.89x = 524,525.63 × 245,944.89
  4. Step 4: Simplify right side
    380,080.89x = 129,004,397,142.81
  5. Step 5: Solve for x
    x = 129,004,397,142.81/380,080.89
  6. Step 6: Final answer
    x = 339,413.01

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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.