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Finding the Fourth Proportional to 292,214.40, 438,321.60 and 244,975.20

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Solution

The fourth proportional to 292,214.40, 438,321.60 and 244,975.20 is: 367,462.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,214.40 : 438,321.60 = 244,975.20 : x
  2. Step 2: Convert to fraction form
    292,214.40/438,321.60 = 244,975.20/x
  3. Step 3: Cross multiply
    292,214.40x = 438,321.60 × 244,975.20
  4. Step 4: Simplify right side
    292,214.40x = 107,377,921,624.32
  5. Step 5: Solve for x
    x = 107,377,921,624.32/292,214.40
  6. Step 6: Final answer
    x = 367,462.80

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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.