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Finding the Fourth Proportional to 438,554.77, 605,199.06 and 244,965.17

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Solution

The fourth proportional to 438,554.77, 605,199.06 and 244,965.17 is: 338,048.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,554.77 : 605,199.06 = 244,965.17 : x
  2. Step 2: Convert to fraction form
    438,554.77/605,199.06 = 244,965.17/x
  3. Step 3: Cross multiply
    438,554.77x = 605,199.06 × 244,965.17
  4. Step 4: Simplify right side
    438,554.77x = 148,252,690,616.74
  5. Step 5: Solve for x
    x = 148,252,690,616.74/438,554.77
  6. Step 6: Final answer
    x = 338,048.29

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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.