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Finding the Fourth Proportional to 598,485, 825,926.58 and 330,230.28

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Solution

The fourth proportional to 598,485, 825,926.58 and 330,230.28 is: 455,727.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,485 : 825,926.58 = 330,230.28 : x
  2. Step 2: Convert to fraction form
    598,485/825,926.58 = 330,230.28/x
  3. Step 3: Cross multiply
    598,485x = 825,926.58 × 330,230.28
  4. Step 4: Simplify right side
    598,485x = 272,745,965,772.84
  5. Step 5: Solve for x
    x = 272,745,965,772.84/598,485
  6. Step 6: Final answer
    x = 455,727.32

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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.