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Finding the Fourth Proportional to 439,105.51, 605,965.48 and 237,901.51

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Solution

The fourth proportional to 439,105.51, 605,965.48 and 237,901.51 is: 328,304.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,105.51 : 605,965.48 = 237,901.51 : x
  2. Step 2: Convert to fraction form
    439,105.51/605,965.48 = 237,901.51/x
  3. Step 3: Cross multiply
    439,105.51x = 605,965.48 × 237,901.51
  4. Step 4: Simplify right side
    439,105.51x = 144,160,102,699.88
  5. Step 5: Solve for x
    x = 144,160,102,699.88/439,105.51
  6. Step 6: Final answer
    x = 328,304.02

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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.