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Finding the Fourth Proportional to 585,964.80, 880,696.80 and 508,982.40

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Solution

The fourth proportional to 585,964.80, 880,696.80 and 508,982.40 is: 764,993.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,964.80 : 880,696.80 = 508,982.40 : x
  2. Step 2: Convert to fraction form
    585,964.80/880,696.80 = 508,982.40/x
  3. Step 3: Cross multiply
    585,964.80x = 880,696.80 × 508,982.40
  4. Step 4: Simplify right side
    585,964.80x = 448,259,170,936.32
  5. Step 5: Solve for x
    x = 448,259,170,936.32/585,964.80
  6. Step 6: Final answer
    x = 764,993.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.