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Finding the Fourth Proportional to 366,469.15, 549,539.70 and 166,686.70

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Solution

The fourth proportional to 366,469.15, 549,539.70 and 166,686.70 is: 249,955.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,469.15 : 549,539.70 = 166,686.70 : x
  2. Step 2: Convert to fraction form
    366,469.15/549,539.70 = 166,686.70/x
  3. Step 3: Cross multiply
    366,469.15x = 549,539.70 × 166,686.70
  4. Step 4: Simplify right side
    366,469.15x = 91,600,959,111.99
  5. Step 5: Solve for x
    x = 91,600,959,111.99/366,469.15
  6. Step 6: Final answer
    x = 249,955.44

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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.