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Finding the Fourth Proportional to 346,978.62, 520,113.45 and 196,901.94

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Solution

The fourth proportional to 346,978.62, 520,113.45 and 196,901.94 is: 295,151.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,978.62 : 520,113.45 = 196,901.94 : x
  2. Step 2: Convert to fraction form
    346,978.62/520,113.45 = 196,901.94/x
  3. Step 3: Cross multiply
    346,978.62x = 520,113.45 × 196,901.94
  4. Step 4: Simplify right side
    346,978.62x = 102,411,347,325.09
  5. Step 5: Solve for x
    x = 102,411,347,325.09/346,978.62
  6. Step 6: Final answer
    x = 295,151.75

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.