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Finding the Fourth Proportional to 543,032.48, 749,405.04 and 328,131.44

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Solution

The fourth proportional to 543,032.48, 749,405.04 and 328,131.44 is: 452,833.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,032.48 : 749,405.04 = 328,131.44 : x
  2. Step 2: Convert to fraction form
    543,032.48/749,405.04 = 328,131.44/x
  3. Step 3: Cross multiply
    543,032.48x = 749,405.04 × 328,131.44
  4. Step 4: Simplify right side
    543,032.48x = 245,903,354,918.46
  5. Step 5: Solve for x
    x = 245,903,354,918.46/543,032.48
  6. Step 6: Final answer
    x = 452,833.60

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.