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Finding the Fourth Proportional to 240,369.80, 360,554.70 and 151,723.40

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Solution

The fourth proportional to 240,369.80, 360,554.70 and 151,723.40 is: 227,585.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,369.80 : 360,554.70 = 151,723.40 : x
  2. Step 2: Convert to fraction form
    240,369.80/360,554.70 = 151,723.40/x
  3. Step 3: Cross multiply
    240,369.80x = 360,554.70 × 151,723.40
  4. Step 4: Simplify right side
    240,369.80x = 54,704,584,969.98
  5. Step 5: Solve for x
    x = 54,704,584,969.98/240,369.80
  6. Step 6: Final answer
    x = 227,585.10

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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.