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Finding the Fourth Proportional to 980,019.40, 1,352,332.65 and 550,201

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Solution

The fourth proportional to 980,019.40, 1,352,332.65 and 550,201 is: 759,224.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,019.40 : 1,352,332.65 = 550,201 : x
  2. Step 2: Convert to fraction form
    980,019.40/1,352,332.65 = 550,201/x
  3. Step 3: Cross multiply
    980,019.40x = 1,352,332.65 × 550,201
  4. Step 4: Simplify right side
    980,019.40x = 744,054,776,362.65
  5. Step 5: Solve for x
    x = 744,054,776,362.65/980,019.40
  6. Step 6: Final answer
    x = 759,224.54

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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.