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Finding the Fourth Proportional to 536,468.14, 805,071.28 and 220,925.02

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Solution

The fourth proportional to 536,468.14, 805,071.28 and 220,925.02 is: 331,539.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,468.14 : 805,071.28 = 220,925.02 : x
  2. Step 2: Convert to fraction form
    536,468.14/805,071.28 = 220,925.02/x
  3. Step 3: Cross multiply
    536,468.14x = 805,071.28 × 220,925.02
  4. Step 4: Simplify right side
    536,468.14x = 177,860,388,635.43
  5. Step 5: Solve for x
    x = 177,860,388,635.43/536,468.14
  6. Step 6: Final answer
    x = 331,539.52

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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.