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Finding the Fourth Proportional to 543,539.96, 750,154.32 and 328,681.58

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Solution

The fourth proportional to 543,539.96, 750,154.32 and 328,681.58 is: 453,622.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,539.96 : 750,154.32 = 328,681.58 : x
  2. Step 2: Convert to fraction form
    543,539.96/750,154.32 = 328,681.58/x
  3. Step 3: Cross multiply
    543,539.96x = 750,154.32 × 328,681.58
  4. Step 4: Simplify right side
    543,539.96x = 246,561,907,141.43
  5. Step 5: Solve for x
    x = 246,561,907,141.43/543,539.96
  6. Step 6: Final answer
    x = 453,622.41

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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.