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Finding the Fourth Proportional to 992,594.60, 1,488,891.90 and 244,640.60

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Solution

The fourth proportional to 992,594.60, 1,488,891.90 and 244,640.60 is: 366,960.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,594.60 : 1,488,891.90 = 244,640.60 : x
  2. Step 2: Convert to fraction form
    992,594.60/1,488,891.90 = 244,640.60/x
  3. Step 3: Cross multiply
    992,594.60x = 1,488,891.90 × 244,640.60
  4. Step 4: Simplify right side
    992,594.60x = 364,243,407,751.14
  5. Step 5: Solve for x
    x = 364,243,407,751.14/992,594.60
  6. Step 6: Final answer
    x = 366,960.90

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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.