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Finding the Fourth Proportional to 366,941.65, 550,412.48 and 340,369.60

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Solution

The fourth proportional to 366,941.65, 550,412.48 and 340,369.60 is: 510,554.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,941.65 : 550,412.48 = 340,369.60 : x
  2. Step 2: Convert to fraction form
    366,941.65/550,412.48 = 340,369.60/x
  3. Step 3: Cross multiply
    366,941.65x = 550,412.48 × 340,369.60
  4. Step 4: Simplify right side
    366,941.65x = 187,343,675,652.61
  5. Step 5: Solve for x
    x = 187,343,675,652.61/366,941.65
  6. Step 6: Final answer
    x = 510,554.40

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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.