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Finding the Fourth Proportional to 888,978.40, 1,333,467.60 and 224,130.40

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Solution

The fourth proportional to 888,978.40, 1,333,467.60 and 224,130.40 is: 336,195.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,978.40 : 1,333,467.60 = 224,130.40 : x
  2. Step 2: Convert to fraction form
    888,978.40/1,333,467.60 = 224,130.40/x
  3. Step 3: Cross multiply
    888,978.40x = 1,333,467.60 × 224,130.40
  4. Step 4: Simplify right side
    888,978.40x = 298,870,626,575.04
  5. Step 5: Solve for x
    x = 298,870,626,575.04/888,978.40
  6. Step 6: Final answer
    x = 336,195.60

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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.