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Finding the Fourth Proportional to 364,982, 500,016.94 and 351,336.48

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Solution

The fourth proportional to 364,982, 500,016.94 and 351,336.48 is: 481,322.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,982 : 500,016.94 = 351,336.48 : x
  2. Step 2: Convert to fraction form
    364,982/500,016.94 = 351,336.48/x
  3. Step 3: Cross multiply
    364,982x = 500,016.94 × 351,336.48
  4. Step 4: Simplify right side
    364,982x = 175,674,191,639.97
  5. Step 5: Solve for x
    x = 175,674,191,639.97/364,982
  6. Step 6: Final answer
    x = 481,322.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.