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Finding the Fourth Proportional to 439,125.64, 605,993.94 and 237,921.64

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Solution

The fourth proportional to 439,125.64, 605,993.94 and 237,921.64 is: 328,332.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,125.64 : 605,993.94 = 237,921.64 : x
  2. Step 2: Convert to fraction form
    439,125.64/605,993.94 = 237,921.64/x
  3. Step 3: Cross multiply
    439,125.64x = 605,993.94 × 237,921.64
  4. Step 4: Simplify right side
    439,125.64x = 144,179,072,034.86
  5. Step 5: Solve for x
    x = 144,179,072,034.86/439,125.64
  6. Step 6: Final answer
    x = 328,332.16

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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.