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Finding the Fourth Proportional to 439,080.64, 658,092.32 and 202,098.88

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Solution

The fourth proportional to 439,080.64, 658,092.32 and 202,098.88 is: 302,905.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,080.64 : 658,092.32 = 202,098.88 : x
  2. Step 2: Convert to fraction form
    439,080.64/658,092.32 = 202,098.88/x
  3. Step 3: Cross multiply
    439,080.64x = 658,092.32 × 202,098.88
  4. Step 4: Simplify right side
    439,080.64x = 132,999,720,808.60
  5. Step 5: Solve for x
    x = 132,999,720,808.60/439,080.64
  6. Step 6: Final answer
    x = 302,905.00

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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.