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Finding the Fourth Proportional to 366,974.55, 550,461.84 and 310,987.35

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Solution

The fourth proportional to 366,974.55, 550,461.84 and 310,987.35 is: 466,481.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,974.55 : 550,461.84 = 310,987.35 : x
  2. Step 2: Convert to fraction form
    366,974.55/550,461.84 = 310,987.35/x
  3. Step 3: Cross multiply
    366,974.55x = 550,461.84 × 310,987.35
  4. Step 4: Simplify right side
    366,974.55x = 171,186,668,897.72
  5. Step 5: Solve for x
    x = 171,186,668,897.72/366,974.55
  6. Step 6: Final answer
    x = 466,481.04

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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.