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Finding the Fourth Proportional to 240,693.66, 331,955.46 and 154,666.62

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Solution

The fourth proportional to 240,693.66, 331,955.46 and 154,666.62 is: 213,310.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,693.66 : 331,955.46 = 154,666.62 : x
  2. Step 2: Convert to fraction form
    240,693.66/331,955.46 = 154,666.62/x
  3. Step 3: Cross multiply
    240,693.66x = 331,955.46 × 154,666.62
  4. Step 4: Simplify right side
    240,693.66x = 51,342,428,988.75
  5. Step 5: Solve for x
    x = 51,342,428,988.75/240,693.66
  6. Step 6: Final answer
    x = 213,310.27

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1.5x scale

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.