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Finding the Fourth Proportional to 366,964.20, 549,790.20 and 310,539.60

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Solution

The fourth proportional to 366,964.20, 549,790.20 and 310,539.60 is: 465,254.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,964.20 : 549,790.20 = 310,539.60 : x
  2. Step 2: Convert to fraction form
    366,964.20/549,790.20 = 310,539.60/x
  3. Step 3: Cross multiply
    366,964.20x = 549,790.20 × 310,539.60
  4. Step 4: Simplify right side
    366,964.20x = 170,731,628,791.92
  5. Step 5: Solve for x
    x = 170,731,628,791.92/366,964.20
  6. Step 6: Final answer
    x = 465,254.18

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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.