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Finding the Fourth Proportional to 340,971.79, 511,605.18 and 183,015.72

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Solution

The fourth proportional to 340,971.79, 511,605.18 and 183,015.72 is: 274,602.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,971.79 : 511,605.18 = 183,015.72 : x
  2. Step 2: Convert to fraction form
    340,971.79/511,605.18 = 183,015.72/x
  3. Step 3: Cross multiply
    340,971.79x = 511,605.18 × 183,015.72
  4. Step 4: Simplify right side
    340,971.79x = 93,631,790,373.43
  5. Step 5: Solve for x
    x = 93,631,790,373.43/340,971.79
  6. Step 6: Final answer
    x = 274,602.75

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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.