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Finding the Fourth Proportional to 366,920.68, 550,458.78 and 117,777.64

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Solution

The fourth proportional to 366,920.68, 550,458.78 and 117,777.64 is: 176,691.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,920.68 : 550,458.78 = 117,777.64 : x
  2. Step 2: Convert to fraction form
    366,920.68/550,458.78 = 117,777.64/x
  3. Step 3: Cross multiply
    366,920.68x = 550,458.78 × 117,777.64
  4. Step 4: Simplify right side
    366,920.68x = 64,831,736,025.68
  5. Step 5: Solve for x
    x = 64,831,736,025.68/366,920.68
  6. Step 6: Final answer
    x = 176,691.42

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1.5x scale

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.