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Finding the Fourth Proportional to 464,892.60, 697,338.45 and 127,935.18

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Solution

The fourth proportional to 464,892.60, 697,338.45 and 127,935.18 is: 191,902.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,892.60 : 697,338.45 = 127,935.18 : x
  2. Step 2: Convert to fraction form
    464,892.60/697,338.45 = 127,935.18/x
  3. Step 3: Cross multiply
    464,892.60x = 697,338.45 × 127,935.18
  4. Step 4: Simplify right side
    464,892.60x = 89,214,120,121.67
  5. Step 5: Solve for x
    x = 89,214,120,121.67/464,892.60
  6. Step 6: Final answer
    x = 191,902.65

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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.