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Finding the Fourth Proportional to 301,289.01, 414,980.68 and 224,562.21

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Solution

The fourth proportional to 301,289.01, 414,980.68 and 224,562.21 is: 309,300.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,289.01 : 414,980.68 = 224,562.21 : x
  2. Step 2: Convert to fraction form
    301,289.01/414,980.68 = 224,562.21/x
  3. Step 3: Cross multiply
    301,289.01x = 414,980.68 × 224,562.21
  4. Step 4: Simplify right side
    301,289.01x = 93,188,978,608.10
  5. Step 5: Solve for x
    x = 93,188,978,608.10/301,289.01
  6. Step 6: Final answer
    x = 309,300.96

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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.